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Rodríguez EM. Endocrine disruption in crustaceans: New findings and perspectives. Mol Cell Endocrinol 2024; 585:112189. [PMID: 38365065 DOI: 10.1016/j.mce.2024.112189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 02/02/2024] [Accepted: 02/12/2024] [Indexed: 02/18/2024]
Abstract
A significant advance has been made, especially during the last two decades, in the knowledge of the effects on crustacean species of pollutants proven to be endocrine disruptors in vertebrates. Such effects have been also interpreted in the light of recent studies on crustacean endocrinology. Year after year, the increased number of reports refer to the effects of endocrine disruptors on several processes hormonally controlled. This review is aimed at summarizing and discussing the effects of several kinds of endocrine disruptors on the hormonal control of reproduction (including gonadal growth, sexual differentiation, and offspring development), molting, and intermediate metabolism of crustaceans. A final discussion about the state of the art, as well as the perspective of this toxicological research line is given.
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Affiliation(s)
- Enrique M Rodríguez
- Universidad de Buenos Aires. CONICET. Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA). Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental. Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina.
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2
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Fathy RF. Divergent perspectives on the synergistic impacts of thermal-chemical stress on aquatic biota within the framework of climate change scenarios. Chemosphere 2024; 355:141810. [PMID: 38554872 DOI: 10.1016/j.chemosphere.2024.141810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/23/2024] [Accepted: 03/25/2024] [Indexed: 04/02/2024]
Abstract
Climate change, including global warming, leads to rising temperatures in aquatic ecosystems, which is one of the numerous repercussions it brings. Furthermore, water warming can indirectly impact aquatic organisms by modifying the toxicity levels of pollutants. Nevertheless, numerous studies have explored the potential impacts of chemical stress on aquatic biota, but little is known about how such chemicals and toxins interact with climate change factors, especially elevated temperatures. As such, this review paper focuses on exploring the potential effects of thermochemical stress on a wide sector of aquatic organisms, including aquatic vertebrates and invertebrates, in various aquatic ecosystems (freshwater and marine systems). Herein, the objective of this study is to explore the most up-to-date the impact of water warming (without chemical stress) and thermochemical stress on various biochemical and physiological processes in aquatic fauna and how this greatly affects biodiversity and sustainability. Therefore, there is a growing need to understand and evaluate this synergistic mechanism and its potential hazardous impacts. However, we need further investigations and scientific reports to address this serious environmental issue in order to confront anthropogenic pollutants regarding climate change and chemical pollution risks in the near future and subsequently find sustainable solutions for them.
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Affiliation(s)
- Ragaa F Fathy
- Hydrobiology Department, Veterinary Research Institute, National Research Centre (NRC), 33 El-Buhouth St, 12622 Dokki, Giza, Egypt.
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3
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Chen J, Lin Y, Gen D, Chen W, Han R, Li H, Tang S, Zheng S, Zhong X. Integrated mRNA- and miRNA-sequencing analyses unveil the underlying mechanism of tobacco pollutant-induced developmental toxicity in zebrafish embryos. J Transl Med 2024; 22:253. [PMID: 38459561 PMCID: PMC10924323 DOI: 10.1186/s12967-024-05050-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/29/2024] [Indexed: 03/10/2024] Open
Abstract
Tobacco pollutants are prevalent in the environment, leading to inadvertent exposure of pregnant females. Studies of these pollutants' toxic effects on embryonic development have not fully elucidated the potential underlying mechanisms. Therefore, in this study, we aimed to investigate the developmental toxicity induced by cigarette smoke extract (CSE) at concentrations of 0.25, 1, and 2.5% using a zebrafish embryo toxicity test and integrated transcriptomic analysis of microRNA (miRNA) and messenger RNA (mRNA). The findings revealed that CSE caused developmental toxicity, including increased mortality and decreased incubation rate, in a dose-dependent manner. Moreover, CSE induced malformations and apoptosis, specifically in the head and heart of zebrafish larvae. We used mRNA and miRNA sequencing analyses to compare changes in the expression of genes and miRNAs in zebrafish larvae. The bioinformatics analysis indicates that the mechanism underlying CSE-induced developmental toxicity was associated with compromised genetic material damage repair, deregulated apoptosis, and disturbed lipid metabolism. The enrichment analysis and RT-qPCR show that the ctsba gene plays a crucial function in embryo developmental apoptosis, and the fads2 gene mainly regulates lipid metabolic toxicity. The results of this study improve the understanding of CSE-induced developmental toxicity in zebrafish embryos and contribute insights into the formulation of novel preventive strategies against tobacco pollutants during early embryonic development.
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Affiliation(s)
- Jiasheng Chen
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Yuxin Lin
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Deyi Gen
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Wanxian Chen
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Rui Han
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Hao Li
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Shijie Tang
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Shukai Zheng
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China.
| | - Xiaoping Zhong
- Department of Burns and Plastic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China.
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Zhang X, Chen J, Wang W, Zhu L. Photosynthetic mechanisms of carbon fixation reduction in rice by cadmium and polycyclic aromatic hydrocarbons. Environ Pollut 2024; 344:123436. [PMID: 38281573 DOI: 10.1016/j.envpol.2024.123436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/21/2024] [Accepted: 01/21/2024] [Indexed: 01/30/2024]
Abstract
Environmental pollutants interfere with plant photosynthesis, thus reduce the crop yield and carbon storage capacity of farmland. This study comparatively explored the effects and mechanisms of polycyclic aromatic hydrocarbons (PAHs, e.g., phenanthrene, pyrene, and benzo[a]pyrene) and cadmium (Cd) on the carbon fixation capacity of rice throughout the growth period. Cd posed severer inhibition on the net carbon fixation of rice than PAHs, with the inhibition rates of 1.40-14.8-fold over PAHs at the concentrations of 0.5 or 5 mg/kg soil. Ribulose diphosphate carboxylase/oxygenase (Rubisco) involved in the Calvin cycle was identified as the common target of these pollutants to inhibit the photosynthetic carbon fixation. Further investigation demonstrated that the different inhibitory effects of Cd and PAHs was resulted from their different interference on the dual catalysis function (carboxylation and oxygenation) of Rubisco. Cd disturbed the balance of the intercellular CO2/O2, thus promoting the oxygenation and inhibiting the carboxylation of the substrate of Rubisco. Under the stress of Cd, the downstream metabolites (e.g. glycolate, glyoxylate, and serine) of Rubisco oxygenation were upregulated by over 2.01-3.24-fold, whereas the carboxylation efficiency (Vcmax) was decreased by 5.58-29.3%. Comparatively, PAHs inhibited both the carboxylation and oxygenation by down-regulating the expression of Rubisco coding gene (OsRBCS2, Log2FC < -2). This study broadens the understanding of the mechanisms of different environmental pollutants on the carbon fixation, providing valuable information for the quantitative estimation of their impacts on the farmland carbon sink. The results would be constructive to develop strategies for eliminating the adverse effects of contaminants and assist the carbon-neutral programs.
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Affiliation(s)
- Xinru Zhang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang, 310058, China
| | - Jie Chen
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang, 310058, China
| | - Wei Wang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang, 310058, China
| | - Lizhong Zhu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang, 310058, China.
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Jiang H, Li R, Zhao M, Peng X, Sun M, Liu C, Liu G, Xue H. Toxic effects of combined exposure to cadmium and diclofenac on freshwater crayfish (Procambarus clarkii): Insights from antioxidant enzyme activity, histopathology, and gut microbiome. Aquat Toxicol 2024; 268:106844. [PMID: 38295602 DOI: 10.1016/j.aquatox.2024.106844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 12/20/2023] [Accepted: 01/21/2024] [Indexed: 02/02/2024]
Abstract
In recent years, excessive discharge of pollutants has led to increasing concentrations of cadmium (Cd) and diclofenac (DCF) in water; however, the toxicity mechanism of combined exposure of the two pollutants to aquatic animals has not been fully studied. Procambarus clarkii is an economically important aquatic species that is easily affected by Cd and DCF. This study examined the effects of combined exposure to Cd and DCF on the tissue accumulation, physiology, biochemistry, and gut microflora of P. clarkii. The results showed that Cd and DCF accumulated in tissues in the order of hepatopancreas > gill > intestine > muscle. The hepatopancreas and intestines were subjected to severe oxidative stress, with significantly increased antioxidant enzyme activity. Pathological examination revealed lumen expansion and epithelial vacuolisation in the hepatopancreas and damage to the villous capillaries and wall in the intestine. The co-exposure to Cadmium (Cd) and Diclofenac (DCF) disrupts the Firmicutes/Bacteroidetes (F/B) ratio, impairing the regular functioning of intestinal microbiota in carbon (C) and nitrogen (N) cycling. This disturbance consequently hinders the absorption and utilization of energy and nutrients in Procambarus clarkii. This study offers critical insights into the toxicological mechanisms underlying the combined effects of Cd and DCF, and suggests potential approaches to alleviate their adverse impacts on aquatic ecosystems.
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Affiliation(s)
- Hucheng Jiang
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China; The Low-temperature Germplasm Bank of Important Economic Fish (Freshwater Fisheries Research Institute of Jiangsu Province) of Jiangsu Provincial Science and Technology Resources (Agricultural Germplasm Resources) Coordination Service Platform, Nanjing, 210017, China
| | - Runbo Li
- Key Laboratory of Freshwater Aquatic Genetic Resources Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China
| | - Muzi Zhao
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China; The Low-temperature Germplasm Bank of Important Economic Fish (Freshwater Fisheries Research Institute of Jiangsu Province) of Jiangsu Provincial Science and Technology Resources (Agricultural Germplasm Resources) Coordination Service Platform, Nanjing, 210017, China
| | - Xinran Peng
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, 230036, China
| | - Mengling Sun
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Chongwan Liu
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Guoxing Liu
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China; The Low-temperature Germplasm Bank of Important Economic Fish (Freshwater Fisheries Research Institute of Jiangsu Province) of Jiangsu Provincial Science and Technology Resources (Agricultural Germplasm Resources) Coordination Service Platform, Nanjing, 210017, China
| | - Hui Xue
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China; The Low-temperature Germplasm Bank of Important Economic Fish (Freshwater Fisheries Research Institute of Jiangsu Province) of Jiangsu Provincial Science and Technology Resources (Agricultural Germplasm Resources) Coordination Service Platform, Nanjing, 210017, China.
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Zhu D, Ge C, Sun Y, Yu H, Wang J, Sun H. Identification of organic pollutants and heavy metals in natural rubber wastewater and evaluation its phytotoxicity and cytogenotoxicity. Chemosphere 2024; 349:140503. [PMID: 37939923 DOI: 10.1016/j.chemosphere.2023.140503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 09/24/2023] [Accepted: 10/19/2023] [Indexed: 11/10/2023]
Abstract
The natural rubber industry consumes large volumes of water and annually releases wastewater with rich organic and inorganic loads. This wastewater is allowed for soil irrigation in developing countries. However, the pollutant composition in wastewater and its environmental effects remain unclear. Therefore, we aimed to assess the wastewater's physicochemical parameters, toxic organic pollutants, heavy metals, and phytotoxic and cytogenotoxic. The result revealed that values of comprehensive wastewater parameters were recorded as chemical oxygen demand (187432.1 mg/L), pH (4.23), total nitrogen (1157.1 mg/L), ammonia nitrogen (1113.0 mg/L), total phosphorus (1181.2 mg/L), Zn (593.3 mg/L), Cr (0.6127 mg/L), and Ni (0.2986 mg/L). The organic compounds detected by LC-MS were salbostatin, sirolimus, Gibberellin A34-catabolite, 1-(sn-glycero-3-phospho)-1D-myo-inositol, and methyldiphenylsilane. The toxicity of the identified toxic chemicals and heavy metals was confirmed by onion and mung bean phytotoxicity characterization tests. The wastewater affected the germination of mung bean seeds, reduced or inhibited the growth of onions, and induced various chromosomal aberrations in root apical meristems. Our study shows that the treatment of natural rubber wastewater needs to be improved, and the feasibility of irrigating soil with wastewater needs to be reconsidered.
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Affiliation(s)
- Dayu Zhu
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou, 570228, China.
| | - Chengjun Ge
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou, 570228, China.
| | - Ying Sun
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou, 570228, China
| | - Huamei Yu
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou, 570228, China
| | - Jun Wang
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou, 570228, China
| | - Hongfei Sun
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou, 570228, China.
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7
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Bayav I, Darendelioğlu E, Caglayan C. 18β-Glycyrrhetinic acid exerts cardioprotective effects against BPA-induced cardiotoxicity through antiapoptotic and antioxidant mechanisms. J Biochem Mol Toxicol 2024; 38:e23655. [PMID: 38348715 DOI: 10.1002/jbt.23655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 12/02/2023] [Accepted: 01/11/2024] [Indexed: 02/15/2024]
Abstract
Bisphenol A (BPA) is a synthetic environmental pollutant widely used in industry, as well as is an endocrine disrupting chemicals and has a toxic effects on heart tissue. The aim of this study is to reveal the cardioprotective effects of 18β-glycyrretinic acid (GA) against BPA-induced cardiotoxicity in rats. In this study, 40 male rats were used and five different groups (each group includes eight rats) were formed. The rats were applied BPA (250 mg/kg b.w.) alone or with GA (50 and 100 mg/kg b.w.) for 14 days. Rats were killed on Day 15 and heart tissues were taken for analysis. GA treatment decreased serum lactate dehydrogenase and creatine kinase MB levels, reducing BPA-induced heart damage. GA treatment showed ameliorative effects against lipid peroxidation and oxidative stress caused by BPA by increasing the antioxidant enzyme activities (glutathione peroxidase, superoxide dismutase, and catalase) and GSH level of the heart tissue and decreasing the MDA level. In addition, GA showed antiapoptotic effect by increasing Bcl-2, procaspase-3, and -9 protein expression levels and decreasing Bax, cytochrome c, and P53 protein levels in heart tissue. As a result, it was found that GA has cardioprotective effects on heart tissue by exhibiting antioxidant and antiapoptotic effects against heart damage caused by BPA, an environmental pollutant. Thus, it was supported that GA could be a potential cardioprotective agent.
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Affiliation(s)
- Ibrahim Bayav
- Department of Medical Biology, Faculty of Medicine, Pamukkale University, Denizli, Turkey
| | - Ekrem Darendelioğlu
- Department of Molecular Biology and Genetics, Faculty of Science and Literature, Bingol University, Bingol, Turkey
| | - Cuneyt Caglayan
- Department of Medical Biochemistry, Faculty of Medicine, Bilecik Seyh Edebali University, Bilecik, Turkey
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Rex M C, Mukherjee A. The comparative effects of visible light and UV-A radiation on the combined toxicity of P25 TiO 2 nanoparticles and polystyrene microplastics on Chlorella sp. Environ Sci Pollut Res Int 2023; 30:122700-122716. [PMID: 37975986 DOI: 10.1007/s11356-023-30910-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023]
Abstract
The ubiquitous presence of TiO2 nanoparticles (nTiO2) and microplastics (MPs) in marine ecosystems has raised serious concerns about their combined impact on marine biota. This study investigated the combined toxic effect of nTiO2 (1 mg/L) and NH2 and COOH surface functionalized polystyrene MPs (PSMPs) (2.5 and 10 mg/L) on Chlorella sp. All the experiments were carried out under both visible light and UV-A radiation conditions to elucidate the impact of light on the combined toxicity of these pollutants. Growth inhibition results indicated that pristine nTiO2 exhibited a more toxic effect (38%) under UV-A radiation when compared to visible light conditions (27%). However, no significant change in the growth inhibitory effects of pristine PSMPs was observed between visible light and UVA radiation conditions. The combined pollutants (nTiO2 + 10 mg/L PSMPs) under UV-A radiation exhibited more growth inhibition (nTiO2 + NH2 PSMPs 66%; nTiO2 + COOH PSMPs 50%) than under visible light conditions (nTiO2 + NH2 PSMPs 55%; TiO2 + COOH PSMPs 44%). Independent action modeling indicated that the mixture of nTiO2 with PSMPs (10 mg/L) exhibited an additive effect on the algal growth inhibition under both the light conditions. The photoactive nTiO2 promoted increased production of reactive oxygen species under UV-A exposure, resulting in cellular damage, lipid peroxidation, and impaired photosynthesis. The effects were more pronounced in case of the mixtures where PSMPs added to the oxidative stress. The toxic effects of the binary mixtures of nTiO2 and PSMPs were further confirmed through the field emission electron microscopy, revealing specific morphological abnormalities. This study provides valuable insights into the potential risks associated with the combination of nTiO2 and MPs in marine environments, considering the influence of environmentally relevant light conditions and the test medium.
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Affiliation(s)
- Camil Rex M
- Centre for Nanobiotechnology, VIT, Vellore, Tamil Nadu, India
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Zhang DC, Ullah A, Tian P, Yu XZ. Response to gallium (Ga) exposure and its distribution in rice plants. Environ Sci Pollut Res Int 2023; 30:121908-121914. [PMID: 37964144 DOI: 10.1007/s11356-023-30975-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 11/05/2023] [Indexed: 11/16/2023]
Abstract
Root architecture is the temporal and spatial configuration of root system in the heterogeneous matrix of soil that is prone to chemical stresses. Gallium (Ga) is among the emerging chemical pollutants that are mostly associated with high-tech industries, specifically associated with semiconductors. In view of its potential risk and increasing distribution in the environment, this study was designed to evaluate the inhibition rate, Ga distribution in different tissues, and root architecture of rice seedlings under different concentrations of Ga. We observed that 2.59, 46.7, and 168.2 mg Ga/L were minimum (EC20), medium (EC50), and maximum (EC75) effective concentrations for rice plants that corresponded to the 20, 50, and 75% inhibition on the relative growth rate, respectively. Distribution of Ga in rice tissues showed that accumulation of Ga was much higher in roots than shoots of rice seedlings, and it increased with an increase in Ga doses. Evan blue staining technique reveals that the number of damaged/dead cell was dose-dependent on Ga. Moreover, several traits associated with root system architecture demonstrating that rice root system architecture altered in response to Ga stress. Collectively, the results reveal that Ga exposure inhibited the growth and development of rice plants. This study will enhance our understanding that how different concentrations of Ga in the environment can affect plants; however, more comprehensive studies are essential to further determine plant response against Ga stress.
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Affiliation(s)
- Dong-Chi Zhang
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, People's Republic of China
| | - Abid Ullah
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, People's Republic of China
| | - Peng Tian
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, People's Republic of China
| | - Xiao-Zhang Yu
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, People's Republic of China.
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Gubó E, Plutzer J, Molnár T, Pordán-Háber D, Szabó L, Szalai Z, Gubó R, Szakál P, Szakál T, Környei L, Bede-Fazekas Á, Kalocsai R. A 4-year study of bovine reproductive hormones that are induced by pharmaceuticals and appear as steroid estrogenic pollutants in the resulting slurry, using in vitro and instrumental analytical methods. Environ Sci Pollut Res Int 2023; 30:125596-125608. [PMID: 38006481 PMCID: PMC10754748 DOI: 10.1007/s11356-023-31126-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 11/16/2023] [Indexed: 11/27/2023]
Abstract
The main objective of the research was to study the environmental "price" of the large-scale, milk production from a rarely known perspective, from the mapping of the estrogenic footprint (the amount of oestrus-inducer hormonal products, and the generated endoestrogens) in the resulting slurry in a dairy cow farm. These micropollutants are endocrine-disrupting chemicals (EDCs) and can be dangerous to the normal reproductive functions even at ng/kg concentration. One of them, 17ß-estradiol, has a 20,000 times stronger estrogenic effect than bisphenol-A, a widely known EDC of industrial origin. While most studies on EDCs are short-term and/or laboratory based, this study is longitudinal and field-based. We sampled the slurry pool on a quarterly basis between 2017 and 2020. Our purpose was testing the estrogenic effects using a dual approach. As an effect-based, holistic method, we developed and used the YES (yeast estrogen screen) test employing the genetically modified Saccharomyces cerevisiae BJ3505 strain which contains human estrogenic receptor. For testing exact molecules, UHPLC-FLD was used. Our study points out that slurry contains a growing amount of EDCs with the risk of penetrating into the soil, crops and the food chain. Considering the Green Chemistry concept, the most benign ways to prevent of the pollution of the slurry is choosing appropriate oestrus-inducing veterinary pharmaceuticals (OIVPs) and the separation of the solid and liquid parts with adequate treatment methods. To our knowledge, this is the first paper on the adaptation of the YES test for medicine and slurry samples, extending its applicability. The adapted YES test turned out to be a sensitive, robust and reliable method for testing samples with potential estrogenic effect. Our dual approach was successful in evaluating the estrogenic effect of the slurry samples.
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Affiliation(s)
- Eduárd Gubó
- Albert Kázmér Faculty, Széchenyi István University, Vár Tér 2, 9200, Mosonmagyaróvár, Hungary.
- reAgro Research and Development Ltd., Győrújbarát, Hungary.
| | - Judit Plutzer
- Albert Kázmér Faculty, Széchenyi István University, Vár Tér 2, 9200, Mosonmagyaróvár, Hungary
| | - Tibor Molnár
- Albert Kázmér Faculty, Széchenyi István University, Vár Tér 2, 9200, Mosonmagyaróvár, Hungary
| | - Dóra Pordán-Háber
- Albert Kázmér Faculty, Széchenyi István University, Vár Tér 2, 9200, Mosonmagyaróvár, Hungary
- reAgro Research and Development Ltd., Győrújbarát, Hungary
| | - Lili Szabó
- Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Geographical Institute, Budapest, Hungary
| | - Zoltán Szalai
- Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Geographical Institute, Budapest, Hungary
| | - Richard Gubó
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No.1, Huairou District, Beijing, 101407, China
- National Energy Center for Coal to Liquids, Synfuels China Co., Ltd., Beijing, 101400, China
| | - Pál Szakál
- Albert Kázmér Faculty, Széchenyi István University, Vár Tér 2, 9200, Mosonmagyaróvár, Hungary
| | - Tamás Szakál
- Albert Kázmér Faculty, Széchenyi István University, Vár Tér 2, 9200, Mosonmagyaróvár, Hungary
| | - László Környei
- Department of Mathematics and Computational Sciences, Széchenyi István University, Győr, Hungary
| | - Ákos Bede-Fazekas
- Department of Environmental and Landscape Geography, Eötvös Lóránd University, Budapest, Hungary
| | - Renátó Kalocsai
- Albert Kázmér Faculty, Széchenyi István University, Vár Tér 2, 9200, Mosonmagyaróvár, Hungary
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Zhu W, Lu S, Jiang H, Wang P, He C, Bian H, Wang J. Interactions between phenanthrene and polystyrene micro/nano plastics: Implications for rice (Oryza sativa L.) toxicity. Environ Pollut 2023; 337:122360. [PMID: 37604389 DOI: 10.1016/j.envpol.2023.122360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/07/2023] [Accepted: 08/09/2023] [Indexed: 08/23/2023]
Abstract
Micro/nano plastics (MPs/NPs) are widely distributed and are one of the global pollutants of current concern. Micro/nano plastics can adsorb a variety of persistent organic pollutants, and different particle sizes and surface charges affect the biological effects of MPs/NPs. Therefore, how the compound pollution of MPs/NPs with different particle sizes and organic pollutants produces toxic effects on plants needs to be further studied. We investigated the toxic effects of phenanthrene (Phe) and amino-modified PS (PS-NH2) with two particle sizes (50 nm, 5 μm) on rice. The stress mechanism of PS-NH2 was different between the two particle sizes. Moreover, 50 nm PS-NH2 inhibited stomatal conductance and transpiration rate, reduced photosynthetic rate, significantly enriched GO functions such as "DNA repair" and "DNA double-strand break," and caused severe DNA damage in rice. Notably, 5 μm PS-NH2 affected the gene expression of "photosynthetic lighting" and "photosynthetic antenna protein" in rice, decreased chlorophyll content, and inhibited rice growth. The toxicity of 50 nm PS-NH2 was stronger. In addition, we found that Phe reduced the toxicity of PS-NH2 with different particle sizes, and the relief effect of 50 nm PS-NH2+Phe was more evident. Further, 50 nm PS-NH2+Phe alleviated the toxicity by stimulating the activities of antioxidant enzymes, reducing oxidative damage to chloroplasts, and inhibiting photosynthesis. However, 5 μm PS-NH2+Phe can reduce the stress by reducing the degree of membrane lipid peroxidation, activating metabolic pathways related to the cell wall and cell membrane formation, and plant antitoxin biosynthesis. The results contribute to the understanding of the mechanism of toxicity of MPs/NPs and polycyclic aromatic hydrocarbons (PAHs) to crops.
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Affiliation(s)
- Weize Zhu
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, China; Department of Ecology, School of Life Science, Nanjing University, Nanjing, 210023, China
| | - Siyuan Lu
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, China
| | - Haibo Jiang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, China
| | - Ping Wang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, China
| | - Chunguang He
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, China
| | - Hongfeng Bian
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, China
| | - Junyuan Wang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, China.
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12
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Fong PP, Doganoglu A, Sandt EV, Turbeville SD. Warmer temperature overrides the effects of antidepressants on amphibian metamorphosis and behavior. Environ Sci Pollut Res Int 2023; 30:114912-114919. [PMID: 37880404 DOI: 10.1007/s11356-023-30607-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 10/18/2023] [Indexed: 10/27/2023]
Abstract
Climate change can exacerbate the effects of environmental pollutants on aquatic organisms. Pollutants such as human antidepressants released from wastewater treatment plants have been shown to impact life-history traits of amphibians. We exposed tadpoles of the wood frog Lithobates sylvaticus to two temperatures (20 °C and 25 °C) and two antidepressants (fluoxetine and venlafaxine), and measured timing of metamorphosis, mass at metamorphosis, and two behaviors (startle response and percent motionless). Antidepressants significantly shortened time to metamorphosis at 20 °C, but not at 25 °C. At 25 °C, tadpoles metamorphosed significantly faster than those at 20 °C independent of antidepressant exposure. Venlafaxine reduced body mass at 25 °C, but not at 20 °C. Temperature and antidepressant exposure affected the percent of tadpoles showing a startle response. Tadpoles at 20 °C displayed significantly more responses than at 25 °C. Exposure to fluoxetine also increased the percent of tadpoles showing a startle response. Venlafaxine reduced the percent of motionless tadpoles at 25 °C but not at 20 °C. While our results showed that antidepressants can affect the timing of metamorphosis in tadpoles, warmer temperatures overrode these effects and caused a reduction in an important reaction behavior (startle response). Future studies should address how warmer global temperatures may exacerbate or negate the effects of environmental pollutants.
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Affiliation(s)
- Peter P Fong
- Department of Biology, Gettysburg College, Gettysburg, PA, 17325, USA.
| | - Aylin Doganoglu
- Department of Biology, Gettysburg College, Gettysburg, PA, 17325, USA
| | - Eleanor V Sandt
- Department of Biology, Gettysburg College, Gettysburg, PA, 17325, USA
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13
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Zhao Y, Tao S, Liu S, Hu T, Zheng K, Shen M, Meng G. Research advances on impacts micro/nanoplastics and their carried pollutants on algae in aquatic ecosystems: A review. Aquat Toxicol 2023; 264:106725. [PMID: 37806023 DOI: 10.1016/j.aquatox.2023.106725] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/12/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
The widespread presence of micro/nanoplastics in aquatic ecosystems has certainly affected ecosystem functions and food chains/webs. The impact is worsened by the accumulation of different pollutants and microorganisms on the surface of microplastics. At the tissue, cellular, and molecular levels, micro/nanoplastics and the contaminants they carry can cause damage to aquatic organisms. Problematically, the toxic mechanism of micro/nanoplastics and contaminants on aquatic organisms is still not fully understood. Algae are key organisms in the aquatic ecosystem, serving as primary producers. The investigation of the toxic effects and mechanisms of micro/nanoparticles and pollutants on algae can contribute to understanding the impact on the aquatic ecosystem. Micro/nanoplastics inhibit algal growth, reduce chlorophyll and photosynthesis, induce ultrastructural changes, and affect gene expression in algae. The effects of energy flow can alter the productivity of aquatic organisms. The type, particle size, and concentration of micro/nanoparticles can influence their toxic effects on algae. Although there has been some research on the toxic effects of algae, the limited information has led to a significant lack of understanding of the underlying mechanisms. This paper provides a comprehensive review of the interactions between micro/nanoplastics, pollutants, and algae. The effects of various factors on algal toxicity are also analyzed. In addition, this article discusses the combined effects of microplastics, global warming, and oil pollution on algae and aquatic ecosystems in the context of global change. This research is of great importance for predicting future environmental changes. This review offers a more comprehensive understanding of the interactions between microplastics/nanoplastics and algae, as well as their impact on the carbon cycle.
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Affiliation(s)
- Yifei Zhao
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
| | - Shiyu Tao
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
| | - Shiwei Liu
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
| | - Tong Hu
- Department of Environment Science, Zhejiang University, Hangzhou 310058, PR China
| | - Kaixuan Zheng
- School of Environment, Tsinghua University, Beijing 100084, PR China
| | - Maocai Shen
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China.
| | - Guanhua Meng
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
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14
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Lan H, Hu Z, Gan H, Wu L, Xie S, Jiang Y, Ye D, Ye X. Association between exposure to persistent organic pollutants and pubertal timing in boys and girls: A systematic review and meta-analysis. Ecotoxicol Environ Saf 2023; 265:115540. [PMID: 37801753 DOI: 10.1016/j.ecoenv.2023.115540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/28/2023] [Accepted: 09/30/2023] [Indexed: 10/08/2023]
Abstract
In recent years, the phenomenon of abnormal pubertal timing in children has become increasingly common worldwide. Persistent organic pollutants (POPs) may be one of the risk factors contributing to this phenomenon, but the relationship between them is unclear based on current evidence. The purpose of this study was to determine the association of POPs exposure with pubertal timing in girls and boys by conducting a systematic review and meta-analysis. We searched PubMed and Embase databases for studies before June 1, 2023. Meta-analysis was performed by pooling relative risk (RR) or odds ratio (OR) or prevalence ratio (PR) or hazard ratio (HR) estimates with 95 % confidence intervals (CIs). Subgroup analysis, publication bias assessment and sensitivity analysis were also carried out. A total of 21 studies were included, involving 2479 boys and 8718 girls. The results of meta-analysis showed that exposure to POPs was significantly associated with delayed pubertal timing in girls (RR: 0.85; 95 % CI: 0.79-0.91; p < 0.001). There was no statistically significant association between exposure to POPs and pubertal timing in boys (RR: 1.18; 95 % CI: 0.99-1.40; p = 0.070). Subgroup analysis showed that there may be gender differences in the effects of exposure to POPs on pubertal timing. Our results suggested that exposure to POPs could delay pubertal timing in girls. However, based on current evidence, no significant association was found between POPs exposure and pubertal timing in boys.
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Affiliation(s)
- Huili Lan
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Zhiqin Hu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Hongya Gan
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Lixiang Wu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Shushu Xie
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Yan Jiang
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Ding Ye
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Xiaoqing Ye
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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15
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Buytaert J, Eens M, Elgawad HA, Bervoets L, Beemster G, Groffen T. Associations between PFAS concentrations and the oxidative status in a free-living songbird (Parus major) near a fluorochemical facility. Environ Pollut 2023; 335:122304. [PMID: 37543069 DOI: 10.1016/j.envpol.2023.122304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/17/2023] [Accepted: 08/01/2023] [Indexed: 08/07/2023]
Abstract
For the past 7 decades, PFAS have been used in many different products and applications, which has led to a widespread contamination of these compounds. Nevertheless at present, little is known about the effects of these compounds on avian wildlife. Therefore, this study investigated associations between PFAS concentrations in the plasma and the oxidative status (i.e. non-enzymatic antioxidants and biomarkers of oxidative stress) in great tits at two sites near a fluorochemical manufacturing facility. Different PFAS were detected in the blood plasma with a mean ΣPFAS of 16062 pg/μL at the site closest to the facility. The PFAS profile in the plasma consisted mainly of PFOS, PFOA, PFDA and PFDoDA, where concentrations were higher for these compounds at the site closest to the plant. Our results show a clear link between PFAS and the antioxidant status of the birds; total antioxidant capacity and peroxidase activity were higher near the plant site, while the glutaredoxin activity was higher further away. Additionally, positive associations were found between PFDoDA and glutathione-S-transferase activity, between PFOS and glutathione-S-transferase activity, between PFDA and peroxidase activity, and between PFOS and peroxidase activity. Lastly, a negative association was found between plasma PFDA concentrations and the total polyphenol content. Interestingly, malondialdehyde levels did not differ between sites, suggesting lipid peroxidation was not affected. Although our results suggest that great tits with elevated PFAS concentrations did not suffer oxidative damage, the antioxidant defence responses were significantly triggered by PFAS exposure. This implies that the great tits have managed to defend themselves against the possible oxidative damage coming from PFAS contamination, although the upregulated antioxidant defences may have fitness costs. Further, experiments are needed to investigate the specific mechanisms by which PFAS induce oxidative stress in avian species.
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Affiliation(s)
- Jodie Buytaert
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
| | - Marcel Eens
- Behavioural Ecology and Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein, 2610, Wilrijk, Belgium.
| | - Hamada Abd Elgawad
- Integrated Molecular Plant Physiology Research, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerpen, Belgium.
| | - Lieven Bervoets
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
| | - Gerrit Beemster
- Integrated Molecular Plant Physiology Research, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerpen, Belgium.
| | - Thimo Groffen
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
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Yu Y, Tong D, Yu Y, Tian D, Zhou W, Zhang X, Shi W, Liu G. Toxic effects of four emerging pollutants on cardiac performance and associated physiological parameters of the thick-shell mussel (Mytilus coruscus). Environ Pollut 2023; 334:122244. [PMID: 37482340 DOI: 10.1016/j.envpol.2023.122244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 07/01/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Robust cardiac performance is critical for the health and even survival of an animal; however, it is sensitive to environmental stressors. At present, little is known about the cardiotoxicity of emerging pollutants to bivalve mollusks. Thus, in this study, the cardiotoxic effects of four emergent pollutants, carbamazepine (CBZ), bisphenol A (BPA), tetrabromobisphenol A (TBBPA), and tris(2-chloroethyl) phosphate (TCEP), on the thick-shell mussel, Mytilus coruscus, were evaluated by heartbeat monitoring and histological examinations. In addition, the impacts of these pollutants on parameters that closely related to cardiac function including neurotransmitters, calcium homeostasis, energy supply, and oxidative status were assessed. Our results demonstrated that 28-day exposure of the thick-shell mussel to these pollutants resulted in evident heart tissue lesions (indicated by hemocyte infiltration and myocardial fibrosis) and disruptions of cardiac performance (characterized by bradyrhythmia and arrhythmia). In addition to obstructing neurotransmitters and calcium homeostasis, exposure to pollutants also led to constrained energy supply and induced oxidative stress in mussel hearts. These findings indicate that although do differ somehow in their effects, these four pollutants may exert cardiotoxic impacts on mussels, which could pose severe threats to this important species and therefore deserves more attention.
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Affiliation(s)
- Yingying Yu
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China
| | - Difei Tong
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China
| | - Yihan Yu
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China
| | - Dandan Tian
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China
| | - Weishang Zhou
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China
| | - Xunyi Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China
| | - Wei Shi
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China
| | - Guangxu Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, PR China.
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17
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Eatman JA, Dunlop AL, Barr DB, Corwin EJ, Hill CC, Brennan PA, Ryan PB, Panuwet P, Taibl KR, Tan Y, Liang D, Eick SM. Exposure to phthalate metabolites, bisphenol A, and psychosocial stress mixtures and pregnancy outcomes in the Atlanta African American maternal-child cohort. Environ Res 2023; 233:116464. [PMID: 37343758 PMCID: PMC10527701 DOI: 10.1016/j.envres.2023.116464] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/14/2023] [Accepted: 06/18/2023] [Indexed: 06/23/2023]
Abstract
BACKGROUND Consumer products are common sources of exposure for phthalates and bisphenol A (BPA), which disrupt the endocrine system. Psychosocial stressors have been shown to amplify the toxic effects of endocrine disruptors but, information is limited among African Americans (AAs), who experience the highest rates of adverse pregnancy outcomes and are often exposed to the highest levels of chemical and non-chemical stressors. We examined the association between an exposure mixture of phthalate metabolites, BPA, and psychosocial stressors with gestational age at delivery and birthweight for gestational age z-scores in pregnant AA women. STUDY DESIGN Participants were enrolled in the Atlanta African American Maternal-Child Cohort (N = 247). Concentrations of eight phthalate metabolites and BPA were measured in urine samples collected at up to two timepoints during pregnancy (8-14 weeks gestation and 20-32 weeks gestation) and were averaged. Psychosocial stressors were measured using self-reported, validated questionnaires that assessed experiences of discrimination, gendered racial stress, depression, and anxiety. Linear regression was used to estimate individual associations between stress exposures (chemical and psychosocial) and birth outcomes. We leveraged quantile g-computation was used to examine joint effects of chemical and stress exposures on gestational age at delivery (in weeks) and birthweight for gestational age z-scores. RESULTS A simultaneous increase in all phthalate metabolites and BPA was associated with a moderate reduction in birthweight z-scores (mean change per quartile increase = -0.22, 95% CI = -0.45, 0.0). The association between our exposure mixture and birthweight z-scores became stronger when including psychosocial stressors as additional exposures (mean change per quantile increase = -0.35, 95% CI = -0.61, -0.08). Overall, we found null associations between exposure to chemical and non-chemical stressors with gestational age at delivery. CONCLUSIONS In a prospective cohort of AA mother-newborn dyads, we observed that increased prenatal exposure to phthalates, BPA, and psychosocial stressors were associated with adverse pregnancy outcomes.
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Affiliation(s)
- Jasmin A Eatman
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA; Emory University School of Medicine, Atlanta, GA, USA
| | - Anne L Dunlop
- Department of Gynecology and Obstetrics, School of Medicine, Emory University, Atlanta, GA, USA
| | - Dana Boyd Barr
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | | | - Cherie C Hill
- Department of Gynecology and Obstetrics, School of Medicine, Emory University, Atlanta, GA, USA
| | | | - P Barry Ryan
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Parinya Panuwet
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Kaitlin R Taibl
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Youran Tan
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Donghai Liang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Stephanie M Eick
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
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Lin D, Chen Y, Liang L, Huang Z, Guo Y, Cai P, Wang W. Effects of exposure to the explosive and environmental pollutant 2,4,6-trinitrotoluene on ovarian follicle development in rats. Environ Sci Pollut Res Int 2023; 30:96412-96423. [PMID: 37567992 DOI: 10.1007/s11356-023-29161-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 07/31/2023] [Indexed: 08/13/2023]
Abstract
Although 2,4,6-trinitrotoluene (TNT) is a dangerous carcinogen in environmental pollution, information on the reproductive effects of TNT explosive contamination is limited. To explore the possible ovarian effects, TNT explosive-exposed rat models were established, and Wistar female rats were exposed to low and high TNT (40 g and 80 g, air and internal) explosives. After a month of exposure, the estrous cycle, ovarian histopathology, and follicle counting were conducted. Serum hormones follicle-stimulating hormone (FSH), luteinizing hormone (LH), anti-Müllerian hormone (AMH), progesterone, testosterone, and estradiol were detected, and the mRNA and protein expression of steroidogenic enzymes were measured. The results showed that the diestrus phase duration was significantly (P < 0.05) increased in the high TNT-exposed groups. In addition, the proportions of preantral follicles were significantly (P < 0.05) decreased in the high TNT-exposed groups, as well as the proportions of atretic follicles. The serum estradiol levels were significantly (P < 0.05) increased, and the follicle-stimulating hormone and luteinizing hormone levels were significantly (P < 0.05) decreased in the high TNT-exposed groups. The mRNA levels of steroidogenic acute regulatory protein (Star), cytochrome P450 cholesterol side chain cleavage (Cyp11a1, Cyp17a1 and Cyp19a1), hydroxysteroid dehydrogenase 3b (Hsd3b) and steroidogenic factor-1 (SF-1) were significantly (P < 0.05) increased in the TNT-exposed groups. The protein levels of Star, Cyp11a1 and Hsd3b were increased (P < 0.05) in the TNT-exposed groups. These results indicate that the exposure of rats to TNT explosive can subsequently affect ovarian follicle development, suggesting that the mechanism may involve disrupting steroidogenesis.
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Affiliation(s)
- Dai Lin
- Department of Nutrition and Food Safety, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Yiqin Chen
- Fujian Province Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Lisheng Liang
- Department of Nursing, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
| | - Zuxiong Huang
- Department of Hepatology, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Yiwei Guo
- Fujian Province Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Ping Cai
- Fujian Province Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China
| | - Wenxiang Wang
- Fujian Province Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China.
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, Fujian, China.
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Müller L, Josende ME, Soares GC, Monserrat JM, Ventura-Lima J. Multigenerational effects of co-exposure to dimethylarsinic acid and polystyrene microplastics on the nematode Caenorhabditis elegans. Environ Sci Pollut Res Int 2023; 30:85359-85372. [PMID: 37382819 DOI: 10.1007/s11356-023-28050-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 05/29/2023] [Indexed: 06/30/2023]
Abstract
In the current study, we assessed the impact of DMA (dimethylarsinic acid) and MPs (microplastics) interactions in C. elegans over the course of five generations. We found that the redox state of the organisms changed over generations as a result of exposure to both pollutants. From the third generation onward, exposure to MPs reduced GST activity, indicating reduced detoxifying abilities of these organisms. Additionally, dimethylarsinic exposure decreased the growth of organisms in the second, fourth, and fifth generations. In comparison to isolated pollutants, the cumulative effects of co-exposure to DMA and MPs seem to have been more harmful to the organisms, as demonstrated by correlation analysis. These findings demonstrate that DMA, despite being considered less hazardous than its inorganic equivalents, can still have toxic effects on species at low concentrations and the presence of MPs, can worsen these effects.
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Affiliation(s)
- Larissa Müller
- Instituto de Ciências Biológicas (ICB), Instituto de Ciências Biológicas (ICB), Universidade Federal Do Rio Grande - FURG, Av. Itália, Km 08, Rio Grande, RS, 96201-900, Brazil
- Programa de Pós-Graduação Em Ciências Fisiológicas - FURG, Rio Grande, RS, Brazil
| | - Marcelo Estrella Josende
- Instituto de Ciências Biológicas (ICB), Instituto de Ciências Biológicas (ICB), Universidade Federal Do Rio Grande - FURG, Av. Itália, Km 08, Rio Grande, RS, 96201-900, Brazil
- Programa de Pós-Graduação Em Ciências Fisiológicas - FURG, Rio Grande, RS, Brazil
| | - Gabriela Corrêa Soares
- Instituto de Ciências Biológicas (ICB), Instituto de Ciências Biológicas (ICB), Universidade Federal Do Rio Grande - FURG, Av. Itália, Km 08, Rio Grande, RS, 96201-900, Brazil
- Programa de Pós-Graduação Em Ciências Fisiológicas - FURG, Rio Grande, RS, Brazil
| | - José Marìa Monserrat
- Instituto de Ciências Biológicas (ICB), Instituto de Ciências Biológicas (ICB), Universidade Federal Do Rio Grande - FURG, Av. Itália, Km 08, Rio Grande, RS, 96201-900, Brazil
- Programa de Pós-Graduação Em Ciências Fisiológicas - FURG, Rio Grande, RS, Brazil
| | - Juliane Ventura-Lima
- Instituto de Ciências Biológicas (ICB), Instituto de Ciências Biológicas (ICB), Universidade Federal Do Rio Grande - FURG, Av. Itália, Km 08, Rio Grande, RS, 96201-900, Brazil.
- Programa de Pós-Graduação Em Ciências Fisiológicas - FURG, Rio Grande, RS, Brazil.
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Jorissen S, Janssens L, Verheyen J, Stoks R. Synergistic survival-related effects of larval exposure to an aquatic pollutant and food stress get stronger during and especially after metamorphosis and shape fitness of terrestrial adults. Environ Pollut 2023; 326:121471. [PMID: 36958652 DOI: 10.1016/j.envpol.2023.121471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/07/2023] [Accepted: 03/19/2023] [Indexed: 06/18/2023]
Abstract
To improve the ecological risk assessment of aquatic pollutants it is needed to study their effects not only in the aquatic larval stage, but also in the terrestrial adult stage of the many animals with a complex life cycle. This remains understudied, especially with regard to interactive effects between aquatic pollutants and natural abiotic stressors. We studied effects of exposure to the pesticide DNP (2,4-Dinitrophenol) and how these were modulated by limited food availability in the aquatic larvae, and the possible delayed effects in the terrestrial adults of the damselfly Lestes viridis. Our results revealed that DNP and low food each had large negative effects on the life history, behaviour and to a lesser extent on the physiology of not only the larvae, but also the adults. Food limitation magnified the negative effects of DNP as seen by a strong decline in larval survival, metamorphosis success and adult lifespan. Notably, the synergism between the aquatic pollutant and food limitation for survival-related traits was stronger in the non-exposed adults than in the exposed larvae, likely because metamorphosis is stressful itself. Our results highlight that identifying effects of aquatic pollutants and synergisms with natural abiotic stressors, not only in the aquatic larval but also in the terrestrial adult stage, is crucial to fully assess the ecological impact of aquatic pollutants and to reveal the impact on the receiving terrestrial ecosystem through a changed aquatic-terrestrial subsidy.
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Affiliation(s)
- Sarah Jorissen
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium.
| | - Lizanne Janssens
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
| | - Julie Verheyen
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
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Verheyen J, Cuypers K, Stoks R. Adverse effects of the pesticide chlorpyrifos on the physiology of a damselfly only occur at the cold and hot extremes of a temperature gradient. Environ Pollut 2023; 326:121438. [PMID: 36963457 DOI: 10.1016/j.envpol.2023.121438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/13/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
Ecotoxicological studies considerably improved realism by assessing the toxicity of pollutants at different temperatures. Nevertheless, they may miss key interaction patterns between pollutants and temperature by typically considering only part of the natural thermal gradient experienced by species and ignoring daily temperature fluctuations (DTF). We therefore tested in a common garden laboratory experiment the effects of the pesticide chlorpyrifos across a range of mean temperatures and DTF on physiological traits (related to oxidative stress and bioenergetics) in low- and high-latitude populations of Ischnura elegans damselfly larvae. As expected, the impact of chlorpyrifos varied along the wide range of mean temperatures (12-34 °C). None of the physiological traits (except the superoxide anion levels) were affected by chlorpyrifos at the intermediate mean temperatures (20-24 °C). Instead, most of them were negatively affected by chlorpyrifos (reduced activity levels of the antioxidant defense enzymes superoxide dismutase [SOD], catalase [CAT] and peroxidase [PER], and a reduced energy budget) at the very high (≥28 °C) or extreme high temperatures (≥32 °C), and to lesser extent at the lower mean temperatures (≤16 °C). Notably, at the lower mean temperatures the negative impact of chlorpyrifos was often only present or stronger under DTF. Although the chlorpyrifos effects on the physiological traits greatly depended on the experimentally imposed thermal gradient, patterns were mainly consistent across the natural latitude-associated thermal gradient, indicating the generality of our results. The thermal patterns in chlorpyrifos-induced physiological responses contributed to the observed toxicity patterns in life history (reduced survival and growth at low and high mean temperatures). Taken together, our results underscore the importance of evaluating pesticide toxicity along a temperature gradient and of taking a mechanistic approach with a focus on physiology, to improve our understanding of the combined effects of pollutants and temperature in natural populations.
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Affiliation(s)
- Julie Verheyen
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium.
| | - Kiani Cuypers
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
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22
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Wang H, Luo F, Zhang Y, Yang X, Zhang S, Zhang J, Tian Y, Zheng L. Prenatal exposure to perfluoroalkyl substances and child intelligence quotient: Evidence from the Shanghai birth cohort. Environ Int 2023; 174:107912. [PMID: 37023630 DOI: 10.1016/j.envint.2023.107912] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 03/22/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND AND AIM Epidemiological evidence on the association between prenatal exposure to Perfluoroalkyl substances (PFAS) and child cognition remains unclear. Thus, we aimed to investigate whether prenatal exposure to PFAS is associated with intelligence quotient (IQ) in offspring. METHOD This study population included 2031 mother-child pairs in the Shanghai Birth Cohort (SBC) enrolled during 2013-2016. Ten PFAS were measured by high-performance liquid chromatography/tandem mass spectrometry (HPLC/MS-MS) in maternal plasma samples collected in early gestation between 9 and 16 weeks of gestation. Child IQ was assessed using the Wechsler Preschool and Primary Scales of Intelligence-Fourth Edition (WPPSI-IV) at 4 years of age. Multivariable linear regression models were used to estimate the associations between individual PFAS concentrations (as a continuous variable or categorized into tertiles) and child IQ. A quantile g-computation approach was used to evaluate the joint and independent effects of PFAS on IQ. We also examined whether the associations varied by child sex. RESULTS We found no significant associations between ln-transformed nine individual PFAS and child full scale IQ (FSIQ) or subscale IQ after adjusting for potential confounders. The observed associations were not modified by child sex. PFAS in tertiles showed the same pattern. Results from quantile g-computation showed that PFAS mixture was not associated with child IQ; perfluorobutane sulfonate was negatively associated with FSIQ (β, -0.81; 95 % CI: -1.55, -0.07), and perfluorooctane sulfonate was also associated with lower fluid reasoning index scores (β, -1.61; 95 % CI: -3.07, -0.16) while adjusting for the other PFAS. CONCLUSION PFAS mixture during early pregnancy was not associated with child IQ. For certain individual PFAS, there were inverse associations with FSIQ or subscale IQ. Considering the evidence is still inconsistent, further research is needed to confirm or refute these results in other populations and to elucidate the potential neurotoxicology of PFAS.
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Affiliation(s)
- Hui Wang
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Fei Luo
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu Zhang
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xuchen Yang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shanyu Zhang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jun Zhang
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ying Tian
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liqiang Zheng
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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23
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Zhang HC, Shi CY, Zhao WJ, Chen GW, Liu DZ. Toxicity of herbicide glyphosate to planarian Dugesia japonica and its potential molecular mechanisms. Aquat Toxicol 2023; 256:106425. [PMID: 36805197 DOI: 10.1016/j.aquatox.2023.106425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
Glyphosate (GLY) is one of the most widely used agrochemicals in the world, and its exposure has become a public health concern. The freshwater planarian is an ideal test organism for detecting the toxicity of pollutants and has been an emerging animal model in toxicological studies. Nevertheless, the underlying toxicity mechanism of GLY to planarians has not been thoroughly explored. To elucidate the toxicity effects and molecular mechanism involved in GLY exposure of planarians, we studied the acute toxicity, histological change, and transcriptional response of Dugesia japonica subjected to GLY. Significant morphological malformations and histopathological changes were observed in planarians after GLY exposure for different times. Also, a number of differentially expressed genes (DEGs) were obtained at 1, 3 and 5 d after exposure; Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of these DEGs were performed, and a global and dynamic view was obtained in planarians upon GLY exposure at the transcriptomic level. Furthermore, real-time quantitative PCR (qRT-PCR) was conducted on nine DEGs associated with detoxification, apoptosis, stress response, DNA repair, etc. The expression patterns were well consistent with the RNA sequencing (RNA-seq) results at different time points, which confirmed the reliability and accuracy of the transcriptome data. Collectively, our results established that GLY could pose adverse effects on the morphology and histo-architecture of D. japonica, and the planarians are capable of responding to the disadvantageous stress by dysregulating the related genes and pathways concerning immune response, detoxification, energy metabolism, DNA damage repair, etc. To the best of our knowledge, this is the first report of transcriptomic analyses of freshwater planarians exposed to environmental pollutants, and it provided detailed sequencing data deriving from transcriptome profiling to deepen our understanding the molecular toxicity mechanism of GLY to planarians.
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Affiliation(s)
- He-Cai Zhang
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Chang-Ying Shi
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Wen-Jing Zhao
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Guang-Wen Chen
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China.
| | - De-Zeng Liu
- College of Life Sciences, Henan Normal University, Xinxiang 453007, China
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Wang Y, Zhang M, Ding G, Shi H, Cong Y, Li Z, Wang J. Polystyrene microplastics alleviate adverse effects of benzo[a]pyrene on tissues and cells of the marine mussel, Mytilus galloprovincialis. Aquat Toxicol 2023; 256:106430. [PMID: 36812700 DOI: 10.1016/j.aquatox.2023.106430] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
As two major ubiquitous pollutants, microplastics (MPs) and polycyclic aromatic hydrocarbons (PAHs) coexist in the marine environment. However, the role of MPs in altering the toxicity of PAHs to marine organisms is poorly understood. We therefore investigated the accumulation and toxicity of benzo[a]pyrene (B[a]P, 0.4 nM), in the marine mussel Mytilus galloprovincialis over a 4-day of exposure with or without the presence of 10 μm polystyrene microplastics (PS MPs) (10 particles/mL). The presence of PS MPs significantly decreased B[a]P accumulation in soft tissues of M. galloprovincialis by approximately 6.7%. Single exposure of PS MPs or B[a]P decreased the mean epithelial thickness (MET) of digestive tubules and enhanced reactive oxygen species (ROS) levels in haemolymph, while upon co-exposure the adverse impacts were alleviated. Real-time q-PCR results showed that most selected genes involved in stress response (FKBP, HSP90), immune (MyD88a, NF-κB) and detoxification (CYP4Y1) were induced for both single exposure and co-exposure. The co-presence of PS MPs down-regulated the mRNA expression of NF-κB in gills compared with of B[a]P alone. The uptake and toxicity reductions of B[a]P might result from the decrease of its bioavailable concentrations caused by the adsorption of B[a]P by PS MPs and the strong affinity of B[a]P to PS MPs. Adverse outcomes for the co-existence of marine emerging pollutants under long-term conditions remain to be further validated.
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Affiliation(s)
- Ying Wang
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China.
| | - Mingxing Zhang
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Guanghui Ding
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China
| | - Huahong Shi
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
| | - Yi Cong
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Zhaochuan Li
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Juying Wang
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China.
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25
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Ruthsatz K, Eterovick PC, Bartels F, Mausbach J. Contributions of water-borne corticosterone as one non-invasive biomarker in assessing nitrate pollution stress in tadpoles of Rana temporaria. Gen Comp Endocrinol 2023; 331:114164. [PMID: 36400158 DOI: 10.1016/j.ygcen.2022.114164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 10/24/2022] [Accepted: 11/02/2022] [Indexed: 11/17/2022]
Abstract
Among a multitude of stressors to which wildlife is exposed, environmental pollution is a pervasive one that poses a serious threat. The permeable skin of amphibians is likely to increase direct contact of the body with pollutants, making them a group worth studying to access environmental quality. Consequently, finding reliable and complementary biomarkers that will present detectable and predictable changes in response to pollutants is essential to identify pollution sublethal effects on amphibians and to investigate whether these are in part responsible for population declines. The glucocorticoid hormone corticosterone (CORT), involved in many metabolic functions, is often used to measure the physiological stress response to environmental stressors in amphibians. In this study, we evaluated whether water-borne CORT can serve as a non-invasive biomarker for nitrate pollution stress in the European common frog (Rana temporaria) by comparing the effect of nitrate exposure on hormone release rates and on other physiological downstream biomarkers, i.e., ultimate physiological effects of the stressor. Specifically, we investigated the effect of different nitrate concentrations (0, 10, 50, and 100 mg/L) on water-borne CORT release rates, age, size, and body condition. Exposure to nitrate pollution significantly increased age at metamorphosis and water-borne CORT release rates, and led to reduced mass and body condition, but only at higher nitrate concentrations (i.e., 50 and 100 mg/L). Considering this similar sensitivity to other acknowledged biomarkers, water-borne CORT was a reliable biomarker of physiological stress in R. temporaria exposed to nitrate pollution stress in a controlled single-stressor laboratory approach. Thus, water-borne CORT is a promising method to be included in more holistic approaches. We recommend that such approaches keep testing multiple biomarker combinations, as species are exposed to several stressors likely to interact and produce varied outcomes in different biomarkers in their natural habitats.
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Affiliation(s)
- Katharina Ruthsatz
- Zoological Institute, Technische Universität Braunschweig, Mendelssohnstraße 4, 38106 Braunschweig, Germany.
| | - Paula C Eterovick
- Zoological Institute, Technische Universität Braunschweig, Mendelssohnstraße 4, 38106 Braunschweig, Germany
| | - Fabian Bartels
- Zoological Institute, Technische Universität Braunschweig, Mendelssohnstraße 4, 38106 Braunschweig, Germany
| | - Jelena Mausbach
- Eawag & ETH Zurich,Überlandstrasse 133, 8600 Dübendorf, Switzerland
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26
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Gripshover TC, Wahlang B, Head KZ, Young JL, Luo J, Mustafa MT, Kirpich IA, Cave MC. The environmental pollutant, polychlorinated biphenyl 126, alters liver function in a rodent model of alcohol-associated liver disease. Alcohol Clin Exp Res (Hoboken) 2023; 47:60-75. [PMID: 36377258 PMCID: PMC9974797 DOI: 10.1111/acer.14976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND The prevalence of alcohol-associated liver disease (ALD), a subtype of fatty liver disease (FLD), continues to rise. ALD is a major cause of preventable death. Polychlorinated biphenyl (PCB) 126 is an environmentally relevant, dioxin-like pollutant whose negative metabolic effects have been well documented. In human and animal studies, PCB has been associated with the severity of nonalcoholic fatty liver disease (NAFLD). However, few studies have investigated whether exposures to environmental toxicants can worsen ALD. Thus, the objective of the current study was to develop an alcohol-plus-toxicant model to study how an environmental pollutant, PCB 126, impacts rodent ALD pathology. METHODS Briefly, male C57BL/6J mice were exposed to 0.2 mg/kg PCB 126 or corn oil vehicle four days prior to ethanol feeding using the chronic-binge (10-plus-one) model. RESULTS Concentrations of macromolecules, including hepatic lipids, carbohydrates, and protein (albumin) were impacted. Exposure to PCB 126 exacerbated hepatic steatosis and hepatomegaly in mice exposed to the chemical and fed an ethanol diet. Gene expression and the analysis of blood chemistry showed a potential net increase and retention of hepatic lipids and reductions in lipid oxidation and clearance capabilities. Depletion of glycogen and glucose was evident, which contributes to disease progression by generating systemic malnutrition. Granulocytic immune infiltrates were present but driven solely by ethanol feeding. Hepatic albumin gene expression and plasma levels were decreased by ~50% indicating a potential compromise of liver function. Finally, gene expression analyses indicated that the aryl hydrocarbon receptor and constitutive androstane receptor were activated by PCB 126 and ethanol, respectively. CONCLUSIONS Various environmental toxicants are known to modify or enhance FLD in high-fat diet models. Findings from the present study suggest that they interact with other lifestyle factors such as alcohol consumption to reprogram intermediary metabolism resulting in exacerbated ethanol-associated systemic malnutrition in ALD.
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Affiliation(s)
- Tyler C. Gripshover
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA
- University of Louisville Superfund Research Program, University of Louisville, Louisville, KY 40202, USA
| | - Banrida Wahlang
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA
- Hepatobiology & Toxicology COBRE, University of Louisville School of Medicine, Louisville, KY 40202, USA
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40202, USA
- University of Louisville Superfund Research Program, University of Louisville, Louisville, KY 40202, USA
| | - Kimberly Z. Head
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA
- Hepatobiology & Toxicology COBRE, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Jamie L. Young
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA
| | - Jianzhu Luo
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA
| | - Muhammad T. Mustafa
- The Center for Integrative Environmental Health Sciences, University of Louisville, Louisville, KY, 40202, USA
| | - Irina A. Kirpich
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA
- Hepatobiology & Toxicology COBRE, University of Louisville School of Medicine, Louisville, KY 40202, USA
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40202, USA
| | - Matthew C. Cave
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA
- The Robley Rex Veterans Affairs Medical Center, Louisville, KY 40206, USA
- The Liver Transplant Program at UofL Health - Jewish Hospital Trager Transplant Center, Louisville, KY 40202 USA
- Hepatobiology & Toxicology COBRE, University of Louisville School of Medicine, Louisville, KY 40202, USA
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40202, USA
- University of Louisville Superfund Research Program, University of Louisville, Louisville, KY 40202, USA
- The Center for Integrative Environmental Health Sciences, University of Louisville, Louisville, KY, 40202, USA
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Zhao J, Zhang C, Xu Y, Li X, Lin X, Lin Z, Luan T. Intestinal toxicity and resistance gene threat assessment of multidrug-resistant Shigella: A novel biotype pollutant. Environ Pollut 2023; 316:120551. [PMID: 36332708 DOI: 10.1016/j.envpol.2022.120551] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/02/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Multidrug-resistant bacteria, especially pathogens, pose a serious threat to disease treatment and recovery, but their potential toxicity to animal development is not entirely clear. As the most important site for nutrient absorption, we studied the intestinal microbiome of Xenopus tropicalis by analyzing the effect of multidrug-resistant Shigella on its intestinal health. Unlike in the control, Shigella intake promoted the secretion of neutral mucus and inhibited intestinal development and weight gain. Following 60 days of exposure, intestinal crypt atrophy, intestinal villus shortening, internal cavity enlargement, and external mucosal muscle disintegration were observed. The circular and longitudinal intestinal muscles became thinner with increasing pathogen exposure. In addition, the presence of Shigella altered the expression of multiple cytokines and classic antioxidant enzyme activities in the gut, which may have caused the intestinal lesions that we observed. 16 S rDNA sequencing analysis of intestinal samples showed that exposure to Shigella destroyed the normal gut microbial abundance and diversity and increased the functional bacterial ratio. Notably, the increased abundance of intestinal antibiotic resistance genes (ARGs) may imply that the resistance genes carried by Shigella easily migrate and transmit within the intestine. Our results expand existing knowledge concerning multidrug-resistant Shigella-induced intestinal toxicity in X. tropicalis and provide new insights for the threat assessment of resistance genes carried by drug-resistant pathogens.
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Affiliation(s)
- Jianbin Zhao
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China; Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory), Guangdong University of Technology, Jieyang, 515200, China
| | - Chaonan Zhang
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yanbin Xu
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China; Analysis and Test Center, Guangdong University of Technology, Guangzhou, 510006, China
| | - Xinyan Li
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China; Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory), Guangdong University of Technology, Jieyang, 515200, China
| | - Xiaojun Lin
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Zitao Lin
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Tiangang Luan
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China; Sate Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China; Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory), Guangdong University of Technology, Jieyang, 515200, China.
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28
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Mao H, Yang H, Xu Z, Yang Y, Zhang X, Huang F, Wei L, Li Z. Microplastics and co-pollutant with ciprofloxacin affect interactions between free-floating macrophytes. Environ Pollut 2023; 316:120546. [PMID: 36332704 DOI: 10.1016/j.envpol.2022.120546] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Microplastic and antibiotic contamination are considered an increasing environmental problem in aquatic systems, while little is known about the impact of microplastics and co-pollutant with antibiotics on freshwater vascular plants, particularly the effects of interactions between macrophytes. Here, we performed a mesocosm experiment to evaluate the impact of polyethylene-microplastics and their co-pollutants with ciprofloxacin on the growth and physiological characteristics of Spirodela polyrhiza and Lemna minor and the interactions between these two macrophytes. Our results showed that microplastics alone cannot significantly influence fresh weight and specific leaf area of the two test free-floating macrophytes, but the effects on photosynthetic pigments, malondialdehyde, catalase and soluble sugar contents were species-specific. Ciprofloxacin can significant adverse effects on the growth and physiological traits of the two test macrophytes and microplastic mitigated the toxicity of ciprofloxacin on the two free-floating plants to a certain extent. In addition, our studies showed that microplastics and co-pollutants can influence relative yield and competitiveness of S. polyrhiza and L. minor by directly or indirectly influencing their physiology and growth. Therefore our findings suggest that species-specific sensibility to microplastic and its co-pollutant among free-floating macrophytes may influence macrophyte population dynamics and thereby community structure and ecosystem functioning. And microplastics altered other contaminant behaviours and toxicity, and may directly or indirectly influence macrophytes interactions and community structure. The present study is the first experimental study exploring the effects of microplastics alone and with their co-pollutants on interactions between free-floating macrophytes, which can provide basic theoretical guidance for improving the stability of freshwater ecosystems.
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Affiliation(s)
- Hongzhi Mao
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resource and Environment, Hubei University, Wuhan, 430062, China
| | - Hui Yang
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resource and Environment, Hubei University, Wuhan, 430062, China
| | - Zhiyan Xu
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resource and Environment, Hubei University, Wuhan, 430062, China
| | - Yujing Yang
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resource and Environment, Hubei University, Wuhan, 430062, China
| | - Xu Zhang
- Hubei Provincial Academy of Eco-environmental Science (Hubei Eco-environmental Engineering Assessment Center), Wuhan, 430079, China
| | - Feng Huang
- Hubei Provincial Academy of Eco-environmental Science (Hubei Eco-environmental Engineering Assessment Center), Wuhan, 430079, China
| | - Lifei Wei
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resource and Environment, Hubei University, Wuhan, 430062, China
| | - Zhongqiang Li
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resource and Environment, Hubei University, Wuhan, 430062, China.
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Agathokleous E, Benelli G, Guedes RNC. Plant-pest interactions under the microscope of chemical hormesis. Trends Plant Sci 2023; 28:14-17. [PMID: 36280534 DOI: 10.1016/j.tplants.2022.09.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/01/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
Low doses of contaminants and toxins can stimulate pests feeding on contaminated tissues of host plants and enhance herbivore activity and plant damage. These effects are opposite to those of high toxic doses, have largely been missed so far, and could compromise crop production. Thus, they deserve further consideration and study.
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Affiliation(s)
- Evgenios Agathokleous
- Department of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology (NUIST), Nanjing 210044, Jiangsu, People's Republic of China.
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Raul Narciso C Guedes
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, MG 36570-900, Brazil
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30
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Lu H, Yin K, Su H, Wang D, Zhang Y, Hou L, Li JB, Wang Y, Xing M. Polystyrene microplastics induce autophagy and apoptosis in birds lungs via PTEN/PI3K/AKT/mTOR. Environ Toxicol 2023; 38:78-89. [PMID: 36205374 DOI: 10.1002/tox.23663] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 06/16/2023]
Abstract
Microplastics (MPs) seriously pollute and potentially threaten human health. Birds are sentinels of environmental pollutants, which respond quickly to contamination events and reveal current environmental exposure. Therefore, birds are good bioindicators for monitoring environmental pollutants. However, the mechanism of lung injury in birds and the role of the PTEN/PI3K/AKT axis are unknown. In this study, broilers treated with different polystyrene microplastics (PS-MPs) (0, 1, 10, and 100 mg/L) were exposed to drinking water for 6 weeks to analyze the effect of PS-MPs on lung injury of broilers. The results showed that with the increase of PS-MPs concentration, malonaldehyde (MDA) content increased, and catalase (CAT) and glutathione (GSH) activity decreased, further leading to oxidative stress. PS-MPs caused the PI3K/Akt/mTOR pathway to be inhibited by phosphorylation, and autophagy accelerated formation (LC3) and degradation (p62), causing autophagy. In PS-MPs exposed lung tissues, the expression of Bax/Bcl-2 and Caspase family increased, and MAPK signaling pathways (p38, ERK, and JNK) showed an increase in phosphorylation level, thus leading to cell apoptosis. Our research showed that PS-MPs could activate the antioxidant system. The antioxidant system unbalance-regulated Caspase family, and PTEN/PI3K/AKT pathways initiated apoptosis and autophagy, which in turn led to lung tissue damage in chickens. These results are of great significance to the toxicological study of PS-MPs and the protection of the ecosystem.
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Affiliation(s)
- Hongmin Lu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
| | - Kai Yin
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
| | - Heng Su
- College of Resources and Environment, Northeast Agricultural University, Harbin, People's Republic of China
| | - Dongxu Wang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
| | - Yue Zhang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
| | - Lulu Hou
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
| | - Jun Bo Li
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
| | - Yu Wang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
| | - Mingwei Xing
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, People's Republic of China
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31
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Silva Filho BF, Filipak Neto F, Marchi MD, Moggio EL, Rossi IV, Sabatke B, Ramirez MI, Lucena MCDS, Todeschini AR, Oliveira Ribeiro CAD. BDE-209 and TCDD enhance metastatic characteristics of melanoma cells after chronic exposure. Environ Pollut 2022; 313:120140. [PMID: 36100121 DOI: 10.1016/j.envpol.2022.120140] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin) and BDE-209 (decabromodiphenyl ether) are persistent organic pollutants (POPs) produced by industrial activities and associated with several diseases. TCDD is a known human carcinogen, but few studies investigated about the effects of exposure to both compounds, i.e., whether BDE-209 and TCDD can render tumor cells more aggressive and metastatic. In the current study we investigated if the exposure of B16-F1 and B16-F10 melanoma murine cells to environmental relevant concentrations of TCDD and BDE-209 at 24 h and 15-day exposure modulates the expression of genes related to metastasis, making the cells more aggressive. Both pollutants did not affect cell viability but lead to increase of cell proliferation, including the upregulation of vimentin, MMP2, MMP9, MMP14 and PGK1 gene expression and downregulation of E-cadherin, TIMP2, TIMP3 and RECK, strongly suggesting changes in cell phenotypes defined as epithelial to mesenchymal transition (EMT) in BDE-209 and TCDD-exposed cells. Foremost, increased expression of metalloproteinases and decreased expression of their inhibitors made B16-F1 cells similar the more aggressive B16-F10 cell line. Also, the higher secretion of extracellular vesicles by cells after acute exposure to BDE-209 could be related with the phenotype changes. These results are a strong indication of the potential of BDE-209 and TCDD to modulate cell phenotype, leading to a more aggressive profile.
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Affiliation(s)
- Benisio Ferreira Silva Filho
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Francisco Filipak Neto
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Micheli de Marchi
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Erick Laurent Moggio
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Izadora Volpato Rossi
- Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Laboratório de Biologia Molecular e Sistemática de Tripanossomatideos, Instituto Carlos Chagas -Fiocruz PR, CEP 81.350-010, Curitiba, PR, Brazil
| | - Bruna Sabatke
- Laboratório de Biologia Molecular e Sistemática de Tripanossomatideos, Instituto Carlos Chagas -Fiocruz PR, CEP 81.350-010, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Microbiologia, Parasitologia e Patologia, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Marcel Ivan Ramirez
- Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Laboratório de Biologia Molecular e Sistemática de Tripanossomatideos, Instituto Carlos Chagas -Fiocruz PR, CEP 81.350-010, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Microbiologia, Parasitologia e Patologia, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Miguel Clodomiro Dos Santos Lucena
- Laboratório de Glicobiologia Estrutural e Funcional. Instituto Carlos Chagas Filho. Universidade Federal Do Rio de Janeiro, CEP 21.941-902, Rio de Janeiro, RJ, Brazil
| | - Adriane Regina Todeschini
- Laboratório de Glicobiologia Estrutural e Funcional. Instituto Carlos Chagas Filho. Universidade Federal Do Rio de Janeiro, CEP 21.941-902, Rio de Janeiro, RJ, Brazil
| | - Ciro Alberto de Oliveira Ribeiro
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil.
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32
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Liu Q, Liu C, Zhao Z, Liang SX. Prioritization of micropollutants in municipal wastewater and the joint inhibitory effects of priority organic pollutants on Vibrio qinghaiensis sp.-Q67. Aquat Toxicol 2022; 252:106288. [PMID: 36156356 DOI: 10.1016/j.aquatox.2022.106288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/10/2022] [Accepted: 08/31/2022] [Indexed: 06/16/2023]
Abstract
Treatment of wastewater in municipal wastewater treatment plants has become a major barrier to organic pollutants entering the aquatic environment. In this study, qualitative screening of organic micropollutants was conducted in a typical municipal wastewater treatment plant (MWWTP) using gas chromatography-mass spectrometry (GC-MS). The identified compounds were prioritized according to their comprehensive scores ranked by detection frequency, semi-quantitative concentration, bioaccumulation, ecotoxicity, and biodegradability. The results showed dibutyl phthalate, antioxidant 2246, methyl stearate, 2,4,6-tri‑tert-butylphenol, and dioctyl phthalate had the top five scores and were ranked as priority organic pollutants in the municipal wastewater. The individual and joint toxicity determinations of the five compounds were carried out by a bioluminescence inhibition assay using Vibrio qinghaiensis sp.-Q67 (V. qinghaiensis). The individual toxicity assay results of these pollutants on V. qinghaiensis demonstrated that the order of the acute toxicity of the five priority organic pollutants was as follows: dioctyl phthalate> dibutyl phthalate> methyl stearate> antioxidant 2246> 2,4,6-tri‑tert-butylphenol. The joint toxicity showed partial addition or antagonism among these pollutants. The prediction results of the mixed toxicity were compared between the concentration addition model and the independent action model, indicating that a single traditional prediction model could not accurately predict the mixed toxicity of different types of organic pollutants, and that a comprehensive application of model prediction could improve the accuracy of mixed toxicity prediction. This method could provide a theoretical basis for systematic screening and toxicity prediction of pollutants in wastewater.
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Affiliation(s)
- Qiong Liu
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Chang Liu
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Zhe Zhao
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China; College of Chemistry and Chemical Engineering, Xingtai University, Xingtai 054001, China
| | - Shu-Xuan Liang
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China.
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33
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Ma Q, Ming J, Sun X, Liu N, Chen G, Yang Y. Visible light active graphene oxide modified Ag/Ag 2O/BiPO 4/Bi 2WO 6 for photocatalytic removal of organic pollutants and bacteria in wastewater. Chemosphere 2022; 306:135512. [PMID: 35779685 DOI: 10.1016/j.chemosphere.2022.135512] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
Wastewater problems caused by antibiotics and bacteria contamination have become the primary environmental concern due to their harm to terrestrial organisms and health risk. To obtain the efficient removal approach of antibiotics and bacteria, visible driven advanced oxidation process by photocatalyst for the efficient removal and reducing waterborne disease was demonstrated in this study. 2D/2D GO-Ag/P/BWO heterostructure photocatalyst (GO: graphene oxide, Ag: Ag, Ag2O; P: BiPO4; BWO: Bi2WO6) were synthesized for effectively purification of antibiotics and bacteria contaminated wastewater. GO added in synthesis of BWO (1st-hydrothermal) and induced of Ag dopants (2nd-hydrothermal) of GO-Ag/P/BWO were fabricated separately and marked as GO(I)-Ag/P/BWO and GO(II)-Ag/P/BWO, characterized by different tests (FT-IR, XRD, Raman, XPS, SEM, TEM, TG, UV-VIS, PL, photocurrent density, and EIS). To testify the visible light driven photocatalytic activity of the fabricated photocatalysts, Rhodamine B (Rh B) and amoxicillin (AMX) was chosen as model emerging organic contaminants and antibiotics, respectively. While gram-negative strain Escherichia coli (E. coli) was selected as model waterborne bacteria. The results showed that GO(II)-Ag/P/BWO photocatalyst was synthesized successfully, and possessed high crystallinity, low generated electron-hole recombination rate, and high photocurrent density. The system can produce energetic active species (h+, O2- and OH), exhibiting a superior performance towards removal of Rh B, AMX and E. coli under visible light irradiation. Comparing to other reported GO modified Bi based photocatalyst, GO(II)-Ag/P/BWO had stronger photocatalytic performance in degradation of Rh B, AMX and E. coli, which indicated its high prospects for practical application in environmental wastewater treatment.
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Affiliation(s)
- Qiansu Ma
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan; School of Chemistry and Biological Engineering, and Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Jie Ming
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Xiang Sun
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Na Liu
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Guoping Chen
- Research Centre for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan.
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34
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Zhu X, Teng J, Xu EG, Zhao J, Shan E, Sun C, Wang Q. Toxicokinetics and toxicodynamics of plastic and metallic nanoparticles: A comparative study in shrimp. Environ Pollut 2022; 312:120069. [PMID: 36064064 DOI: 10.1016/j.envpol.2022.120069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 08/13/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
Nanoplastic is recognized as an emerging environmental pollutant due to the anticipated ubiquitous distribution, increasing concentration in the ocean, and potential adverse health effects. While our understanding of the ecological impacts of nanoplastics is still limited, we benefit from relatively rich toxicological studies on other nanoparticles such as nano metal oxides. However, the similarity and difference in the toxicokinetic and toxicodynamic aspects of plastic and metallic nanoparticles remain largely unknown. In this study, juvenile Pacific white shrimp Litopenaeus vannamei was exposed to two types of nanoparticles at environmentally relative low and high concentrations, i.e., 100 nm polystyrene nanoplastics (nano-PS) and titanium dioxide nanoparticles (nano-TiO2) via dietary exposure for 28 days. The systematic toxicological evaluation aimed to quantitatively compare the accumulation, excretion, and toxic effects of nano-PS and nano-TiO2. Our results demonstrated that both nanoparticles were ingested by L. vannamei with lower egestion of nano-TiO2 than nano-PS. Both nanoparticles inhibited the growth of shrimps, damaged tissue structures of the intestine and hepatopancreas, disrupted expression of immune-related genes, and induced intestinal microbiota dysbiosis. Nano-PS exposure caused proliferative cells in the intestinal tissue, and the disturbance to the intestinal microbes was also more serious than that of nano-TiO2. The results indicated that the effect of nano-PS on the intestinal tissue of L. vannamei was more severe than that of nano-TiO2 with the same particle size. The study provides new theoretical basis of the similarity and differences of their toxicity, and highlights the current lack of knowledge on various aspects of absorption, distribution, metabolism, and excretion (ADME) pathways of nanoplastics.
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Affiliation(s)
- Xiaopeng Zhu
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Jia Teng
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Elvis Genbo Xu
- Department of Biology, University of Southern Denmark, Odense, 5230, Denmark
| | - Jianmin Zhao
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China
| | - Encui Shan
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Chaofan Sun
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Qing Wang
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China; Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China.
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35
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Ke Z, Wang D, Wu Z. Separate and combined effects of cadmium (Cd) and nonylphenol (NP) on growth and antioxidative enzymes in Hydrocharis dubia (Bl.) Backer. Environ Sci Pollut Res Int 2022; 29:78913-78925. [PMID: 35699882 DOI: 10.1007/s11356-022-21164-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Cadmium (Cd) is considered a priority pollutant, and nonylphenol (NP) is a common organic pollutant in water environments. However, the ecological risks of combined Cd and NP pollution have not been fully elucidated. In this study, the effects of Cd, NP, and Cd-NP on the growth and physiology of Hydrocharis dubia (Bl.) Backer were studied. The results indicated that Cd-NP joint toxicity is concentration-dependent. The joint toxicity of Cd and NP on H. dubia was antagonistic when the concentrations of Cd + NP were 0.01 + 0.1/1 mg/L. At 0.5 + 0.1/1 mg/L, Cd and NP had a strong synergistic effect on H. dubia. In addition, plant growth was significantly inhibited, and the chlorophyll contents were significantly reduced under Cd, NP, or Cd-NP exposure. The plant's antioxidant enzyme system was destroyed. The activities of superoxide dismutase (SOD) and catalase (CAT) were significantly decreased under NP-only exposure. The activity of SOD was significantly decreased under Cd-only and under joint exposure. Compound pollution exceeded the oxidative defense capacity of the plants, so the H2O2 content increased significantly. Our results indicated that the ecotoxicity of NP combined with Cd may be exacerbated in aquatic environments and cause obvious damage to H. dubia.
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Affiliation(s)
- Zhen Ke
- Water Pollution Ecology Laboratory, College of Life Sciences, Wuhan University, Wuhan, 430072, People's Republic of China
| | - Donghan Wang
- Huazhong Pharmaceutical Co., Ltd, Xiangyang, 441002, People's Republic of China
| | - Zhonghua Wu
- Water Pollution Ecology Laboratory, College of Life Sciences, Wuhan University, Wuhan, 430072, People's Republic of China.
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Yang J, Huang T, Yao J, Zhang J, Bai G, Chen Z, Tu C. Sulphur dioxide and fluoride co-exposure induce incisor hypomineralization and amelogenin upregulation via YAP/RUNX2 signaling pathway. Ecotoxicol Environ Saf 2022; 245:114106. [PMID: 36155332 DOI: 10.1016/j.ecoenv.2022.114106] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/17/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Sulphur dioxide (SO2) and fluoride are among the most common environmental pollutants affecting human health, and both co-exist in areas predominantly consuming coal. It is vital to analyse the combined toxicity of SO2 and fluoride, and their effects on health and the underlying mechanisms of their co-exposure have not yet been adequately assessed. In the present study, we used ICR mice and LS8 cells to investigate the toxicity of SO2 and fluoride exposure to the enamel, alone or in combination. Factorial design analysis was used to reveal the combined toxicity in vitro and in vivo. Co-exposure to SO2 and fluoride exacerbated enamel injury, resulting in more severe hypomineralization of incisor, and enamel structure disorders in mice, and could induce the accumulation of protein residue in the matrix of the enamel. Amelogenin expression was increased upon exposure to SO2 and fluoride, but enamel matrix proteases were not affected. Consistent with our in vivo results, co-exposure of SO2 and fluoride aggravated amelogenin expression in LS8 cells, and increased the YAP and RUNX2 levels. Co-exposure to SO2 and fluoride resulted in greater toxicity than individual exposure, both in vitro and in vivo, indicating that residents of areas exposed to SO2 and fluoride may have an increased risk of developing enamel damage.
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Affiliation(s)
- Junlin Yang
- School of Public Health, Guizhou Medical University, Guian New Region, China; The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Tongtong Huang
- School of Public Health, Guizhou Medical University, Guian New Region, China
| | - Jie Yao
- School of Public Health, Guizhou Medical University, Guian New Region, China
| | - Jianghui Zhang
- School of Public Health, Guizhou Medical University, Guian New Region, China
| | - Guohui Bai
- Key Laboratory of Oral Disease Research, School of Stomatology, Zunyi Medical University, Zunyi, China
| | - Zheng Chen
- School of Public Health, Guizhou Medical University, Guian New Region, China
| | - Chenglong Tu
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guian New Region, China; Toxicity Testing Center of Guizhou Medical University, Guiyang, China.
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37
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Cheng H, Dai Y, Ruan X, Duan X, Zhang C, Li L, Huang F, Shan J, Liang K, Jia X, Wang Q, Zhao H. Effects of nanoplastic exposure on the immunity and metabolism of red crayfish (Cherax quadricarinatus) based on high-throughput sequencing. Ecotoxicol Environ Saf 2022; 245:114114. [PMID: 36179446 DOI: 10.1016/j.ecoenv.2022.114114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/07/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
Previous studies have shown that nanoplastics (NPs) are harmful pollutants that threaten aquatic organisms and ecosystems, however, less research has been conducted on the hazards of NPs for aquaculture animals. In this study, Cherax quadricarinatus was used as an experimental model to evaluate the possible effects of three concentrations (25, 250 and 2500 μg/L) of NPs on red crayfish. The toxicological effects of NPs on this species were investigated based on transcriptomics and microbiome. A total of 67,668 genes were obtained from the transcriptome. The annotation rate of the four major libraries (Nr, KEGG, KOG, Swissprot) was 40.17 %, and the functions of differential genes were mainly related to antioxidant activity, metabolism and immune processes. During the experiment, the activities of superoxide dismutase (SOD) and catalase (CAT) in the high concentration group were significantly decreased, while the concentration of malondialdehyde (MDA) increased after nanoplastics (NPs) exposure, and SOD1, Jafrac1 were significantly reduced at high concentrations. expression is inhibited. The immune genes LYZ and PPO2 were highly expressed at low concentrations and suppressed at high concentrations. After 14 days of exposure to NPs, significant changes in gut microbiota were observed, such as decreased abundances of Actinobacteria, Bacteroidetes, and Firmicutes. NPs compromise host health by inducing changes in microbial communities and the production of beneficial bacterial metabolites. Overall, these results suggest that NPs affect immune-related gene expression and antioxidant enzyme activity in red crayfish and cause redox imbalance in the body, altering the composition and diversity of the gut microbiota.
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Affiliation(s)
- Huitao Cheng
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.
| | - Yuantang Dai
- Modern Agriculture Comprehensive Service Center of Dongyuan County, Heyuan 517500, China.
| | - Xinhe Ruan
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Xuzhuo Duan
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Chunli Zhang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Lihua Li
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Fengqi Huang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Jinhong Shan
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Kaishan Liang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Xianze Jia
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Qing Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China; University Joint Laboratory of Guangdong Province, Hong Kong and Macao Region on Marine Bioresource Conservation and Exploitation, Guangzhou 510642, China.
| | - Huihong Zhao
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.
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Tong ZJ, Kuo CW, Yen PC, Lin CC, Tsai MT, Lu SH, Chang YP, Liu WS, Tsou HH, Cheng HW, Wang HT. Acrolein plays a culprit role in the pathogenesis of diabetic nephropathy in vitro and in vivo. Eur J Endocrinol 2022; 187:579-592. [PMID: 36001357 DOI: 10.1530/eje-22-0493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 08/24/2022] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Diabetic nephropathy (DN), also known as diabetic kidney disease (DKD), is a major chronic complication of diabetes and is the most frequent cause of kidney failure globally. A better understanding of the pathophysiology of DN would lead to the development of novel therapeutic options. Acrolein, an α,β-unsaturated aldehyde, is a common dietary and environmental pollutant. DESIGN The role of acrolein and the potential protective action of acrolein scavengers in DN were investigated using high-fat diet/ streptozotocin-induced DN mice and in vitro DN cellular models. METHODS Acrolein-protein conjugates (Acr-PCs) in kidney tissues were examined using immunohistochemistry. Renin-angiotensin system (RAS) and downstream signaling pathways were analyzed using quantitative RT-PCR and Western blot analyses. Acr-PCs in DN patients were analyzed using an established Acr-PC ELISA system. RESULTS We found an increase in Acr-PCs in kidney cells using in vivo and in vitro DN models. Hyperglycemia activated the RAS and downstream MAPK pathways, increasing inflammatory cytokines and cellular apoptosis in two human kidney cell lines (HK2 and HEK293). A similar effect was induced by acrolein. Furthermore, acrolein scavengers such as N-acetylcysteine, hydralazine, and carnosine could ameliorate diabetes-induced kidney injury. Clinically, we also found increased Acr-PCs in serum samples or kidney tissues of DKD patients compared to normal volunteers, and the Acr-PCs were negatively correlated with kidney function. CONCLUSIONS These results together suggest that acrolein plays a role in the pathogenesis of DN and could be a diagnostic marker and effective therapeutic target to ameliorate the development of DN.
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Affiliation(s)
- Zhen-Jie Tong
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chin-Wei Kuo
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Po-Cheng Yen
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chih-Ching Lin
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ming-Tsun Tsai
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shing-Hwa Lu
- Department of Urology, Taipei Veterans General Hospital, Taoyuan Branch, Taoyuan, Taiwan
- Department of Urology, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Ping Chang
- Division of Nephrology, Taoyuan Branch of Taipei Veterans General Hospital, Taoyuan, Taiwan
- Department of Healthcare Information and Management, Ming Chuan University, Taoyuan, Taiwan
- Department of Business Administration, Ming Chuan University, Taipei, Taiwan
| | - Wen-Sheng Liu
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Division of Nephrology, Department of Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei, Taiwan
- College of Science and Engineering, Fu Jen Catholic University, New Taipei City, Taiwan
- Department of Special Education, University of Taipei, Taipei, Taiwan
| | - Han-Hsing Tsou
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Kim Forest Enterprise Co., Ltd., Taipei, Taiwan
| | - Hsiao-Wei Cheng
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hsiang-Tsui Wang
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Toxicology, Kaohsiung Medical University, Kaohsiung, Taiwan
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Qi X, Ren Z, Cui Y, Zhang J, Zhang Y, Wang S, Lin H. Cadmium induces apoptosis by miR-9-5p targeting PTEN and regulates the PI3K/AKT pathway in the piglet adrenal gland. Environ Sci Pollut Res Int 2022; 29:73001-73010. [PMID: 35616841 DOI: 10.1007/s11356-022-20734-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Cadmium (Cd) is an environmental pollutant that can cause endocrine organ damage. To explore the effect of subacute CdCl2 exposure on piglet adrenal gland tissue and its mechanism based on the establishment of this model, bioinformatics, TUNEL assay, western blot (WB), and qRT-PCR methods were used to detect related indicators. The results showed that after Cd exposure, antioxidant enzymes decreased, heat shock protein increased, and miR-9-5p-gene of phosphatase and tensin homolog (PTEN) upregulates the phosphatidylinositol-3-kinase (PI3K/AKT) pathway. After this pathway was activated, the expression of the apoptosis-related factors cysteinyl aspartate-specific proteinase 3 and 9 (caspase 3 and 9), B-cell lymphoma-2-associated X (BAX) was increased sharply, and the expression of B-cell lymphoma-2 (BCL2) was significantly decreased. The changes in these indicators indicate that Cd exposure induces apoptosis and causes tissue damage in the adrenal gland of piglets. This study aims to reveal the toxic effects of CdCl2 in animals and will provide new ideas for the toxicology of Cd.
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Affiliation(s)
- Xue Qi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Zeheng Ren
- Biopharmaceutical Lab, College of Life Science, Northeast Agricultural University, Harbin, People's Republic of China
| | - Yuan Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Jinxi Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Yue Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Shengchen Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Harbin, People's Republic of China.
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40
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Wu B, Liu Y, Zhen J, Mou P, Li J, Xu Z, Song B. Protective effect of methionine on the intestinal oxidative stress and microbiota change induced by nickel. Ecotoxicol Environ Saf 2022; 244:114037. [PMID: 36049335 DOI: 10.1016/j.ecoenv.2022.114037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 08/23/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
Nickel is a common heavy metal pollutant in industrial areas and can cause oxidative damage to human and animal organs. As an essential amino acid with antioxidant function, methionine (Met) may protect the body from the oxidative stress induce by nickel, however, there is not enough research to study in this aspect. The study aims at investigating the effect of Met on the nickel-induced intestinal oxidative stress and further detected the gut microbiota changes. Mice were gavaged with quantitative NiCl2 (1.6 mg/ml, 0.25 ml) and fed with different doses of methionine in each group. The contents of intestinal oxidation product and antioxidant enzymes were determined by different biochemical quantitative methods, and the data showed that NiCl2 increased the content of intestinal oxidation product (MDA), and the antioxidant enzymes (GSH-Px, GR, SOD and CAT) were decreased. But this situation was alleviated in the group fed with additional methionine solution (0.5 mg/ml). In addition, we detected changes in the gut microbiota using high-throughput sequencing, the results showed that the structure of intestinal flora was disturbed by NiCl2, but methionine restored the germs with antioxidant capacity. Based on the results, we speculate that methionine can alleviate the impact of NiCl2 on the intestinal by enhancing the activity of antioxidant enzymes and the number of gut bacteria with anti-oxidation, suggesting that methionine as a nutritional additive may have the potential to treat nickel poisoning.
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Affiliation(s)
- Bangyuan Wu
- Key Laboratory of Southwest China Wildlife Resources Conservation, Ministry of Education, 637009 Nanchong, PR China; College of Life Sciences, China West Normal University, Nanchong 637000, PR China.
| | - Yiwei Liu
- College of Life Sciences, China West Normal University, Nanchong 637000, PR China.
| | - Jie Zhen
- Kunming University of Science and Technology School of Medicine, Kunming 650500, PR China.
| | - Pan Mou
- College of Life Sciences, China West Normal University, Nanchong 637000, PR China.
| | - Jia Li
- College of Life Sciences, China West Normal University, Nanchong 637000, PR China.
| | - Zhengyang Xu
- College of Life Sciences, China West Normal University, Nanchong 637000, PR China.
| | - Baolin Song
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, PR China.
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41
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Amstutz VH, Cengo A, Gehres F, Sijm DTHM, Vrolijk MF. Investigating the cytotoxicity of per- and polyfluoroalkyl substances in HepG2 cells: A structure-activity relationship approach. Toxicology 2022; 480:153312. [PMID: 36075290 DOI: 10.1016/j.tox.2022.153312] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/25/2022] [Accepted: 09/02/2022] [Indexed: 11/18/2022]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a family of man-made chemicals with currently over 4'700 compounds identified. While toxicological data are available for some of the legacy PFAS, such as PFOA and PFOS, a knowledge gap remains concerning both emerging and legacy PFAS' toxicity due to the diversity of the PFAS. Therefore, a better understanding of the PFAS structure-activity relationship may prove helpful. The present study investigated a potential structure-activity relationship between PFAS and hepatotoxicity. As such, the effects of thirteen PFAS with varying carbon chain-length and functional head-groups (in a concentration range of 0-800 µM) on the cell viability of HepG2 cells and intracellular reactive oxygen species formation have been tested using the MTT and DCFH assay, respectively. The exposure times were either 3 or 24 h. In addition, intracellular PFAS levels were determined in HepG2 after 24 h exposure. The present study demonstrated that the cytotoxicity of PFAS is dependent on their chain-length as cell viability decreased with increasing chain-length at both exposure times. Calculated Relative Potency Factors (RPF), based on the TC50 values, were used for a tentative ranking of PFAS regarding their hepatotoxicity: PFNA ˃ PFDA ˃ PFOS ≥ PFOA ˃ PFHxS ˃ PFBS ˃˃ PFHpA = PFHxA = PFBA = PFPrA = 6:2 FTOH = 4:2 = FTOH = 3:1 FTOH. Similar results were observed regarding intracellular reactive oxygen species generation at both exposure times, with a tentative ranking of: PFNA ˃ PFOS ˃ PFOA ≥ PFDA ˃ PFHxS ˃ PFBS ˃ PFBA ˃ PFHpA ≥ PFHxA ˃ PFPrA ˃ 6:2 FTOH = 4:2 FTOH = 3:1 FTOH. Moreover, a concentration-dependent reactive oxygen species generation has been observed for all PFSAs and PFCAs, but not for the FTOHs. In conclusion, the carbon chain-length and functional head-group of a PFAS determine their in vitro toxicity for the two toxicological endpoints assessed in the present study. Moreover, no effects were observed for the tested FTOHs. As such, the present study established a potential structure-activity relationship that opens the possibility of developing a predictive model to help with the risk assessment of PFAS in the future.
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Affiliation(s)
- V H Amstutz
- Department of Pharmacology and Toxicology, Maastricht University, 6229 ER Maastricht, the Netherlands.
| | - A Cengo
- Department of Pharmacology and Toxicology, Maastricht University, 6229 ER Maastricht, the Netherlands
| | - F Gehres
- Department of Pharmacology and Toxicology, Maastricht University, 6229 ER Maastricht, the Netherlands; Office for Risk Assessment and Research, Netherlands Food and Consumer Product Safety Authority (NVWA), 3540 AA Utrecht, the Netherlands
| | - D T H M Sijm
- Department of Pharmacology and Toxicology, Maastricht University, 6229 ER Maastricht, the Netherlands; Office for Risk Assessment and Research, Netherlands Food and Consumer Product Safety Authority (NVWA), 3540 AA Utrecht, the Netherlands
| | - M F Vrolijk
- Department of Pharmacology and Toxicology, Maastricht University, 6229 ER Maastricht, the Netherlands
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Lakhdar R, Mumby S, Abubakar-Waziri H, Porter A, Adcock IM, Chung KF. Lung toxicity of particulates and gaseous pollutants using ex-vivo airway epithelial cell culture systems. Environ Pollut 2022; 305:119323. [PMID: 35447256 DOI: 10.1016/j.envpol.2022.119323] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 04/14/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
Air pollution consists of a multi-faceted mix of gases and ambient particulate matter (PM) with diverse organic and non-organic chemical components that contribute to increasing morbidity and mortality worldwide. In particular, epidemiological and clinical studies indicate that respiratory health is adversely affected by exposure to air pollution by both causing and worsening (exacerbating) diseases such as chronic obstructive pulmonary disease (COPD), asthma, interstitial pulmonary fibrosis and lung cancer. The molecular mechanisms of air pollution-induced pulmonary toxicity have been evaluated with regards to different types of PM of various sizes and concentrations with single and multiple exposures over different time periods. These data provide a plausible interrelationship between cellular toxicity and the activation of multiple biological processes including proinflammatory responses, oxidative stress, mitochondrial oxidative damage, autophagy, apoptosis, cell genotoxicity, cellular senescence and epithelial-mesenchymal transition. However, these molecular changes have been studied predominantly in cell lines rather than in primary bronchial or nasal cells from healthy subjects or those isolated from patients with airways disease. In addition, they have been conducted under different cell culture conditions and generally in submerged culture rather than the more relevant air-liquid interface culture and with a variety of air pollutant exposure protocols. Cell types may respond differentially to pollution delivered as an aerosol rather than being bathed in media containing agglomerations of particles. As a result, the actual pathophysiological pathways activated by different PMs in primary cells from the airways of healthy and asthmatic subjects remains unclear. This review summarises the literature on the different methodologies utilised in studying the impact of submicron-sized pollutants on cells derived from the respiratory tract with an emphasis on data obtained from primary human cell. We highlight the critical underlying molecular mechanisms that may be important in driving disease processes in response to air pollution in vivo.
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Affiliation(s)
- Ramzi Lakhdar
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Sharon Mumby
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Hisham Abubakar-Waziri
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Alexandra Porter
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Ian M Adcock
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Kian Fan Chung
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
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Pan N, Lu L, Zhang D, Wang X. Evaluation of the effect of nitrate and chloride on Cd(II)-induced cell oxidative stress by scanning electrochemical microscopy. Anal Methods 2022; 14:2673-2681. [PMID: 35762516 DOI: 10.1039/d2ay00495j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cadmium (Cd) is one of the most prevalent toxic metal pollutants, which is widely distributed in various environmental media and organisms. Literature studies have documented that Cd could stimulate cellular oxidative stress, and the increased intracellular reactive oxygen species (ROS) might destroy certain proteins and DNA and subsequently lead to cell apoptosis. Although several studies have studied the co-exposure between cadmium and other metals, information on the potential effects of Cd and its counterions is still lacking. In the present study, we explored the effects of nitrate and chloride on oxidative stress induced by Cd(II) at environmental exposure levels in human breast cancer cells (MCF-7) using scanning electrochemical microscopy (SECM). After incubation in CdCl2 or Cd(NO3)2, ROS production is concentration-dependent and time-dependent, and the variation trend is consistent. When MCF-7 cells were incubated at a constant Cd2+ concentration, it was found that the higher the concentration ratio of Cd(NO3)2/CdCl2, the less ROS was generated. Combined with cell-viability, intracellular acidification as well as antioxidants system tests, we observed that nitrate could be reduced to nitrite and then inhibit Cd-induced oxidative stress. Benefitting from real-time in situ imaging of cells by SECM, H2O2 was detected and quantified in a noninvasive way, and the effect of Cd at environmental exposure levels on cellular oxidative stress was explored deeper and more comprehensively. Prospectively, cytotoxicological methods based on the SECM technique would be established to explore toxic pollutant co-exposure issues at environmental exposure levels.
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Affiliation(s)
- Na Pan
- Key Laboratory of Beijing on Regional Air Pollution Control, Department of Environmental Science, Beijing University of Technology, Beijing 100124, P. R. China
| | - Liping Lu
- Key Laboratory of Beijing on Regional Air Pollution Control, Department of Environmental Science, Beijing University of Technology, Beijing 100124, P. R. China
- Center of Excellence for Environmental Safety and Biological Effects, Department of Chemistry and Biology, Beijing University of Technology, Beijing 100124, P. R. China.
| | - Dongtang Zhang
- Center of Excellence for Environmental Safety and Biological Effects, Department of Chemistry and Biology, Beijing University of Technology, Beijing 100124, P. R. China.
| | - Xiayan Wang
- Center of Excellence for Environmental Safety and Biological Effects, Department of Chemistry and Biology, Beijing University of Technology, Beijing 100124, P. R. China.
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Nadeem MS, Munawar T, Mukhtar F, Batool S, Hasan M, Akbar UA, Hakeem AS, Iqbal F. Energy-levels well-matched direct Z-scheme ZnNiNdO/CdS heterojunction for elimination of diverse pollutants from wastewater and microbial disinfection. Environ Sci Pollut Res Int 2022; 29:50317-50334. [PMID: 35229262 DOI: 10.1007/s11356-022-19271-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 02/13/2022] [Indexed: 06/14/2023]
Abstract
Energy-levels well-matched direct Z-scheme ZnNiNdO/CdS heterojunction was successfully fabricated using facile co-precipitation and ultra-sonication techniques and characterized with XRD, FTIR, Raman, PL, UV-vis, and FE-SEM. The XRD diffractograms confirmed the co-doping of Ni-Nd in ZnO and the formation of heterostructured nanocomposite. FTIR and Raman data showed the presence of metal-oxygen vibration and optical phonon modes of ZnO and CdS. FE-SEM images exhibited the network type morphology. The energy bandgap was redshifted by co-doping (3.37-2.9 eV) and was further reduced (2.6 eV) by making a composite with CdS. The ZnNiNdO/CdS catalyst degraded 99.7, 49, 96.6, 98.6, and 98.6% methylene blue (MB), p-nitroaniline (P-Nitro), methyl orange (MO), methyl red (MR), and rhodamine B (RhB) dyes under 50 min sunlight irradiation. Moreover, ZnNiNdO/CdS showed intense inhibition activity towards Staphylococcus aureus, Escherichia coli, Proteus vulgaris, and Pseudomonas aeruginosa bacterial strains with maximum inhibition zone diameters 30, 33, 27, and 31 mm, respectively. The synergistic effects arising from band alignment can lead to efficient vectorial charge separation, transportation, and lower recombination of photoinduced charge carriers, ultimately boosting photocatalytic and antibacterial performance. The ZnNiNdO/CdS photocatalyst has higher stability up to the 7th cycle towards MB dye with ~ 5% deficit in degradation efficiency. The higher generation of superoxide and hydroxyl radical was confirmed by species trapping experiments responsible for photodegradation of dyes molecules. Furthermore, the results showed that the photocatalytic and antibacterial performance of pristine ZnO can be enhanced by co-doping and tuning energy bandgap.
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Affiliation(s)
| | - Tauseef Munawar
- Institute of Physics, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Faisal Mukhtar
- Institute of Physics, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Sana Batool
- Institute of Bio-Chemistry, Bio-Technology, and Bioinformatics, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Murtaza Hasan
- Institute of Bio-Chemistry, Bio-Technology, and Bioinformatics, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Usman Ali Akbar
- Department of Mechanical Engineering, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Abbas Saeed Hakeem
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Faisal Iqbal
- Institute of Physics, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan.
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Avilés-Ramírez C, Moreno-Godínez ME, Bonner MR, Parra-Rojas I, Flores-Alfaro E, Ramírez M, Huerta-Beristain G, Ramírez-Vargas MA. Effects of exposure to environmental pollutants on mitochondrial DNA copy number: a meta-analysis. Environ Sci Pollut Res Int 2022; 29:43588-43606. [PMID: 35399130 DOI: 10.1007/s11356-022-19967-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Exposure to environmental pollutants has been associated with alteration on relative levels of mitochondrial DNA copy number (mtDNAcn). However, the results obtained from epidemiological studies are inconsistent. This meta-analysis aimed to evaluate whether environmental pollutant exposure can modify the relative levels of mtDNAcn in humans. We performed a literature search using PubMed, Scopus, and Web of Science databases. We selected and reviewed original articles performed in humans that analyzed the relationship between environmental pollutant exposure and the relative levels of mtDNAcn; the selection of the included studies was based on inclusion and exclusion criteria. Only twenty-two studies fulfilled our inclusion criteria. A total of 6011 study participants were included in this systematic review and meta-analysis. We grouped the included studies into four main categories according to the type of environmental pollutant: (1) heavy metals, (2) polycyclic aromatic hydrocarbons (PAHs), (3) particulate matter (PM), and (4) cigarette smoking. Inconclusive results were observed in all categories; the pooled analysis shows a marginal increase of relative levels of mtDNAcn in response to environmental pollutant exposure. The trial sequential analysis and rate confidence in body evidence showed the need to perform new studies. Therefore, a large-scale cohort and mechanistic studies in this area are required to probe the possible use of relative levels of mtDNAcn as biomarkers linked to environmental pollution exposure.
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Affiliation(s)
- Cristian Avilés-Ramírez
- Facultad de Ciencias Químico-Biológicas, Laboratorio de Toxicología Y Salud Ambiental, Universidad Autónoma De Guerrero, Av. Lázaro Cárdenas s/n, 39089, Chilpancingo, GRO, México
| | - Ma Elena Moreno-Godínez
- Facultad de Ciencias Químico-Biológicas, Laboratorio de Toxicología Y Salud Ambiental, Universidad Autónoma De Guerrero, Av. Lázaro Cárdenas s/n, 39089, Chilpancingo, GRO, México
| | - Matthew R Bonner
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, USA
| | - Isela Parra-Rojas
- Facultad de Ciencias Químico-Biológicas, Laboratorio de Investigación en Obesidad Y Diabetes, Universidad Autónoma de Guerrero, Chilpancingo, Guerrero, México
| | - Eugenia Flores-Alfaro
- Facultad de Ciencias Químico-Biológicas, Laboratorio de Epidemiología Clínica Y Molecular, Universidad Autónoma de Guerrero, Chilpancingo, Guerrero, México
| | - Mónica Ramírez
- Facultad de Ciencias Químico-Biológicas, CONACyT, Universidad Autónoma de Guerrero, Chilpancingo, Guerrero, México
| | - Gerardo Huerta-Beristain
- Facultad de Ciencias Químico-Biológicas, Laboratorio de Toxicología Y Salud Ambiental, Universidad Autónoma De Guerrero, Av. Lázaro Cárdenas s/n, 39089, Chilpancingo, GRO, México
| | - Marco Antonio Ramírez-Vargas
- Facultad de Ciencias Químico-Biológicas, Laboratorio de Toxicología Y Salud Ambiental, Universidad Autónoma De Guerrero, Av. Lázaro Cárdenas s/n, 39089, Chilpancingo, GRO, México.
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Mandour DA, Tolba AM, El-Bestawy EM. Maternal exposure to the environmental pollutant "BDE-47" impairs the postnatal development of rat cerebellar cortex by modulating neuronal proliferation, synaptogenesis, NGF and BDNF pathways. Histol Histopathol 2022; 37:555-573. [PMID: 35191013 DOI: 10.14670/hh-18-441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
UNLABELLED 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) is an environmental contaminant that crosses the blood placental barrier and interferes with the homeostasis of fetal thyroid hormones. AIM OF WORK This study was designed to investigate the perinatal effect of BDE-47 exposure on the postnatal development of the rat cerebellar cortex. MATERIALS AND METHODS This study was carried out on 20 pregnant rats and 36 of their offspring. The pregnant rats were divided equally into control and BDE-47 treated mother groups; supplemented orally with BDE-47 (0.2 mg/kg/day from day 8 of gestation until the day of weaning). The offspring of both mother groups were subdivided, according to their developmental age, into three subgroups; PND14, PND21and PND42. SerumT3, T4 and TSH were assessed for dams and their offspring. Testing the motor coordination of the offspring via the rotarod test was conducted. Sections of the cerebellar cortex from offspring subgroups were stained with hematoxylin and eosin alongside immunohistochemical reactions and optical density of nerve growth factor (NGF), brain derived neurotrophic factor (BDNF), proliferating cell nuclear antigen (PCNA) and synaptophysin (SYN). Also, the thickness of different layers of the cerebellar cortex was histomorphometrically measured. RESULTS BDE-47 treated mothers and their offspring subgroups showed a significant decrease in the serum free T3, T4 and increased TSH. The BDE-47 offspring displayed incoordination of the motor activity together with disturbed cytoarchitecture of the cerebellar cortical layers, and impaired migration of its germinative neuronal zones, particularly on PND14 and PND21. Moreover, these offspring displayed a decrease of the immune-expression and optical density of NGF, BDNF in the cerebellar cortical layers with impaired proliferation, and synaptogenesis. CONCLUSION Maternal exposure to BDE-47 during pregnancy and lactation effectuated a potential deleterious retarding effect on the postnatal development of the rat cerebellar cortex mostly via modulating neuronal proliferation, synaptogenesis, NGF and BDNF pathways secondary to its hypothyroid effect.
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Affiliation(s)
- Dalia A Mandour
- Department of Human Anatomy and Embryology, Faculty of medicine, Zagazig University, Zagazig, Egypt
| | - Asmaa M Tolba
- Department of Human Anatomy and Embryology, Faculty of medicine, Zagazig University, Zagazig, Egypt.
| | - Emtethal M El-Bestawy
- Department of Human Anatomy and Embryology, Faculty of medicine, Zagazig University, Zagazig, Egypt
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Chowdhary P, Singh A, Chandra R, Kumar PS, Raj A, Bharagava RN. Detection and identification of hazardous organic pollutants from distillery wastewater by GC-MS analysis and its phytotoxicity and genotoxicity evaluation by using Allium cepa and Cicer arietinum L. Chemosphere 2022; 297:134123. [PMID: 35240156 DOI: 10.1016/j.chemosphere.2022.134123] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 02/07/2022] [Accepted: 02/24/2022] [Indexed: 05/12/2023]
Abstract
Distillery industry generates a huge amount of wastewater, which contains a high strength of organic and inorganic load. Accordingly, this study aims to analyze the physico-chemical pollution parameters and the occurrence of phytotoxic, cytotoxic and genotoxic pollutants in wastewater. The result revealed that values of wastewater parameters were recorded as 13268 mg l-1 (BOD), 25144 mg l-1 (COD), 25144 mg l-1 (TS), and 6634 mg l-1 (phosphate), while pH was alkaline. The organic compounds detected by GC-MS were quercetin 7,3',4'-trimethoxy, octadecadienoic acid, propanoic acid, glycocholic acid methyl ester, cantaxanthin, etc. The Allium cepa was used for the toxicity test with different concentrations of wastewater showed a significant level of reduction in root growth and length after exposure and the maximum reduction was at 25% and 20%. Phytotoxicity studies were performed using Cicer arietinum L. with different concentrations of wastewater, which showed adverse effects on seed germination, root length, and the effect was associated with the increasing concentration of wastewater. A. cepa root tips were used for the analysis of mitotic index (MI), nuclear abnormalities (NA), and chromosomal aberrations (CA). MI was decreasing significantly from 72% (control) to 33%, 22%, 23%, 21%, and 18% at 5%, 10%, 15%, 20%, and 25% wastewater concentration, respectively. The A. cepa root tip cells showed chromosomal aberrations and nuclear abnormalities like vagrant, stickiness, chromosomal loss, c-mitosis, binucleated, micronuclei, and aberrant cell. This study concluded that the wastewater treatment process is insufficient and the discharged waste needs a proper assessment to know the associated health risk.
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Affiliation(s)
- Pankaj Chowdhary
- Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, 226 025, Uttar Pradesh, India; Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Lucknow, 226001, Uttar Pradesh, India
| | - Anjali Singh
- Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Lucknow, 226001, Uttar Pradesh, India
| | - Ram Chandra
- Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, 226 025, Uttar Pradesh, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India
| | - Abhay Raj
- Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Lucknow, 226001, Uttar Pradesh, India.
| | - Ram Naresh Bharagava
- Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, 226 025, Uttar Pradesh, India.
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Xu Y, Gu C, Wu L, Ye F, Li W, Li H, Liu Q, Wang Y, Zhang J. Intrauterine exposure of mice to arsenite induces abnormal and transgenerational glycometabolism. Chemosphere 2022; 294:133757. [PMID: 35090851 DOI: 10.1016/j.chemosphere.2022.133757] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 06/14/2023]
Abstract
The adverse, transgenerational effects on health caused by environmental pollutants are receiving increasing attention. For humans and mice, inorganic arsenic (iAs), a widespread environmental contaminant, is associated with diabetic phenotypes. However, the transgenerational effects of arsenite-induced changes in glucose metabolism in mice have not been fully investigated. In the present study, F0 pregnant mice were exposed to arsenite via drinking water (0, 0.5, 5, or 50 ppm NaAsO2) from gestational day 0 (GD0) until parturition. We examined the effects of arsenite exposure on the metabolic phenotypes and the levels of proteins and genes related to glucose metabolism of dams and their offspring (F1∼F4). Arsenite exposure altered the glucose tolerance of offspring. Notably, glucose transporter-2 (GLUT2) and insulin receptor substrate-1 (IRS1), which are related to the maintenance of glucose homeostasis, were also changed. The homeostasis assessment-insulin resistance (HOMA-IR), an indicator of insulin resistance, was higher in the offspring from the F0 female mice exposed to arsenite. Furthermore, imprinted genes, insulin-like growth factor 2 (IGF2) and potassium voltage-gated channel subfamily Q member 1 (KCNQ1), related to glycometabolism across multiple generations, were lower in the offspring. In sum, arsenite exposure during pregnancy transgenerationally affects glucose metabolism, which is related to altered levels of IGF2 and KCNQ1.
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Affiliation(s)
- Yuan Xu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China; Jiangsu Safety Assessment and Research Center for Drug, Pesticide, and Veterinary Drug, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Chenxi Gu
- Wuxi Binhu Center for Disease Control and Prevention, Wuxi, 214026, Jiangsu, People's Republic of China
| | - Lu Wu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Fuping Ye
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Wenqi Li
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Han Li
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Qizhan Liu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Yubang Wang
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China; Jiangsu Safety Assessment and Research Center for Drug, Pesticide, and Veterinary Drug, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.
| | - Jingshu Zhang
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China; Jiangsu Safety Assessment and Research Center for Drug, Pesticide, and Veterinary Drug, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.
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Barguilla I, Domenech J, Rubio L, Marcos R, Hernández A. Nanoplastics and Arsenic Co-Exposures Exacerbate Oncogenic Biomarkers under an In Vitro Long-Term Exposure Scenario. Int J Mol Sci 2022; 23:ijms23062958. [PMID: 35328376 PMCID: PMC8955425 DOI: 10.3390/ijms23062958] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 02/01/2023] Open
Abstract
The increasing accumulation of plastic waste and the widespread presence of its derivatives, micro- and nanoplastics (MNPLs), call for an urgent evaluation of their potential health risks. In the environment, MNPLs coexist with other known hazardous contaminants and, thus, an interesting question arises as to whether MNPLs can act as carriers of such pollutants, modulating their uptake and their harmful effects. In this context, we have examined the interaction and joint effects of two relevant water contaminants: arsenic and polystyrene nanoplastics (PSNPLs), the latter being a model of nanoplastics. Since both agents are persistent pollutants, their potential effects have been evaluated under a chronic exposure scenario and measuring different effect biomarkers involved in the cell transformation process. Mouse embryonic fibroblasts deficient for oxidative DNA damage repair mechanisms, and showing a cell transformation status, were used as a sensitive cell model. Such cells were exposed to PSNPLs, arsenic, and a combination PSNPLs/arsenic for 12 weeks. Interestingly, a physical interaction between both pollutants was demonstrated by using TEM/EDX methodologies. Results also indicate that the continuous co-exposure enhances the DNA damage and the aggressive features of the initially transformed phenotype. Remarkably, co-exposed cells present a higher proportion of spindle-like cells within the population, an increased capacity to grow independently of anchorage, as well as enhanced migrating and invading potential when compared to cells exposed to arsenic or PSNPLs alone. This study highlights the need for further studies exploring the long-term effects of contaminants of emerging concern, such as MNPLs, and the importance of considering the behavior of mixtures as part of the hazard and human risk assessment approaches.
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Affiliation(s)
- Irene Barguilla
- Group of Mutagenesis, Department of Genetics and Microbiology, Faculty of Biosciences, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (I.B.); (J.D.)
| | - Josefa Domenech
- Group of Mutagenesis, Department of Genetics and Microbiology, Faculty of Biosciences, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (I.B.); (J.D.)
| | - Laura Rubio
- Nanobiology Laboratory, Department of Natural and Exact Sciences, Pontificia Universidad Católica Madre y Maestra (PUCMM), Santiago de los Caballeros 51000, Dominican Republic;
| | - Ricard Marcos
- Group of Mutagenesis, Department of Genetics and Microbiology, Faculty of Biosciences, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (I.B.); (J.D.)
- Correspondence: (R.M.); (A.H.)
| | - Alba Hernández
- Group of Mutagenesis, Department of Genetics and Microbiology, Faculty of Biosciences, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (I.B.); (J.D.)
- Correspondence: (R.M.); (A.H.)
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Kirk AB, Michelsen-Correa S, Rosen C, Martin CF, Blumberg B. PFAS and Potential Adverse Effects on Bone and Adipose Tissue Through Interactions With PPARγ. Endocrinology 2021; 162:6364127. [PMID: 34480479 PMCID: PMC9034324 DOI: 10.1210/endocr/bqab194] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Indexed: 01/06/2023]
Abstract
Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a widely dispersed, broad class of synthetic chemicals with diverse biological effects, including effects on adipose and bone differentiation. PFAS most commonly occur as mixtures and only rarely, if ever, as single environmental contaminants. This poses significant regulatory questions and a pronounced need for chemical risk assessments, analytical methods, and technological solutions to reduce the risk to public and environmental health. The effects of PFAS on biological systems may be complex. Each may have several molecular targets initiating multiple biochemical events leading to a number of different adverse outcomes. An exposure to mixtures or coexposures of PFAS complicates the picture further. This review illustrates how PFAS target peroxisome proliferator-activated receptors. Additionally, we describe how such activation leads to changes in cell differentiation and bone development that contributes to metabolic disorder and bone weakness. This discussion sheds light on the importance of seemingly modest outcomes observed in test animals and highlights why the most sensitive end points identified in some chemical risk assessments are significant from a public health perspective.
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Affiliation(s)
- Andrea B Kirk
- Correspondence: Andrea Kirk, PhD, US EPA Headquarters, William Jefferson Clinton Bldg, 1200 Pennsylvania Ave NW, Mail Code 5201P, Washington, DC 20460, USA.
| | - Stephani Michelsen-Correa
- EPA Office of Chemical Safety and Pollution Prevention, Biopesticides and Pollution Prevention Division, Washington, District of Columbia 20460, USA
| | - Cliff Rosen
- Tufts University School of Medicine, Boston, Massachusetts 02111, USA
| | | | - Bruce Blumberg
- University of California, Irvine, Irvine, California 92697, USA
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